https://www.bedrockpodcast.com/miniseries-continental-tour daily 0.75 2025-02-21 https://www.bedrockpodcast.com/miniseries-continental-tour/category/greenland monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/sedimentary monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/canada monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/north+america monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/acasta monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/metamorphic monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/isua monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/igneous monthly 0.5 https://www.bedrockpodcast.com/miniseries-continental-tour/category/miniseries+oldest monthly 0.5 https://www.bedrockpodcast.com/all-episodes daily 0.75 2026-02-03 https://www.bedrockpodcast.com/all-episodes/episode-01-the-earth-calendar monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1642419906453-JGH62YH05GRYIU3KV9CS/Cath%25C3%25A9drale_Notre-Dame_-_int%25C3%25A9rieur_-_horloge_astronomique_-_d%25C3%25A9tail_%2528Strasbourg%2529.jpg All Episodes - 1: The Earth Calendar - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5af624ab-1067-45cc-a480-df5adea4f63b/Earth+Calendar+Episode+1.png All Episodes - 1: The Earth Calendar - Make it stand out The Earth Calendar, a thought experiment modeled from Sagan’s Cosmic Calendar Image credit: Dylan Wilmeth https://www.bedrockpodcast.com/all-episodes/episode-02-three-recipes-for-rocks monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/16dd9cd2-56f7-4519-9696-1ac839251120/stones-2091889_1280.jpg All Episodes - 2: Three Recipes for Rocks - Make it stand out What stories do these rocks tell us? https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a169a368-3e24-4441-a6fd-bcd3eb89f4d7/Macizo_Paine_al_Amanecer_Torres_del_Paine.jpg All Episodes - 2: Three Recipes for Rocks - Make it stand out Torres del Paine, Chile: once a pool of magma under Earth’s surface. 12 million years old (Dec 31 on the Earth Calendar) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a423a998-f47a-422d-8403-e111d20dbf9c/1599px-Pahoeoe_fountain_edit2.jpg All Episodes - 2: Three Recipes for Rocks - Make it stand out Lava dramatically cooling, Pu’u Kahaluea, Hawaii https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b617f1d9-5ec4-4db9-afb6-b4af0c9b52af/640px-Sandcastles_on_the_beach_%28%5E304_explore_12-11-20%29_-_Flickr_-_Kirt_Edblom.jpg All Episodes - 2: Three Recipes for Rocks - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f274b9e9-cc8a-443d-988d-d29ef4bade27/640px-Sea_floor_sand.jpg All Episodes - 2: Three Recipes for Rocks - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9804a436-7585-440c-ae9d-1091e747f3dd/640px-Graphite_schist_%2816921730322%29.jpg All Episodes - 2: Three Recipes for Rocks - Make it stand out Graphite schist (~4 cm wide) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a9155b34-800f-4cca-8e76-ac14c25e88fe/Acasta_gneiss.jpg All Episodes - 2: Three Recipes for Rocks - Make it stand out A piece of the Acasta Gneiss, the oldest accepted rock on Earth (4.0 billion years old, Feb 12 on the Earth Calendar) https://www.bedrockpodcast.com/all-episodes/episode-03-the-dating-game monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1642459716279-KRG7181RR6TK5GFCER6X/Hourglass_icon.png All Episodes - 3: The Dating Game - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b31c498c-8886-4520-b9dd-a418247afca0/N14-C14.gif All Episodes - 3: The Dating Game - Make it stand out Radiocarbon & nitrogen-14. Spot the three differences between them. Though very similar, N-14 is more stable. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/26f61807-81b6-47e7-9b23-db838a27994a/Saqqara_pyramid_ver_2.jpg All Episodes - 3: The Dating Game - Make it stand out Djoser’s Pyramid (~4680 years old), one of the first places to be dated using radiocarbon. PS- I’ve already broken my promise not to mention pyramids. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1f0da263-3ef5-45ee-94e7-4f5e3a04135a/Torn-Paper-Torn-Paper-Edge-Paper-Ripped-Torn-1816679.jpg All Episodes - 3: The Dating Game - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7f823143-3955-4b80-a447-b656bd2cc40c/640px-Zircon-dtn1a.jpg All Episodes - 3: The Dating Game - Make it stand out Zircon crystal (red) embedded in calcite, Gilgit, Pakistan (~1 cm) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1fcc7909-3ecb-4984-a729-21c40b0269e1/640px-Zircon.GIF All Episodes - 3: The Dating Game - Make it stand out Crystal lattice of zircon, showing patterns of oxygen, zirconium, and silicon https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5af624ab-1067-45cc-a480-df5adea4f63b/Earth+Calendar+Episode+1.png All Episodes - 3: The Dating Game - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-04-the-cradle-of-stardust monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d748693f-c122-47b6-8b62-f504366ee3a0/Orion_Nebula_-_Hubble_2006_mosaic_18000.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c1cc3b5b-c1ec-4884-a80c-12dc20651fb2/Earth+Calendar+Hadean.png All Episodes - 4: The Cradle of Stardust - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9b9a6941-01ac-4c93-bab1-fa653e0f89c3/1442px-Comets_Kick_up_Dust_in_Helix_Nebula_%28PIA09178%29.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out Helix Nebula https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f4e5b876-6b5c-4129-b041-814aad67f5a5/Crab_nebula_and_crab_pulsar_composite.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out Crab Nebula https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5655898f-dc43-4402-8aa3-8322bf9c26e0/M42proplyds.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out Protoplanetary discs in the Orion Nebula https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/212cb3e1-5f79-4d2f-87a0-4ff157fb1170/1600px-Orion_Nebula_with_proplyd_highlights_%28captured_by_the_Hubble_Space_Telescope%29.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out The Orion Nebula with the locations of several protoplanetary discs https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0386fdac-f4c6-4bb5-8f19-8a1eebf8f8a0/640px-AllendeMeteorite.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out A fragment of the Allende meteorite, 8 cm wide https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c41d66c2-2024-46b7-b483-6f0e0cc1cb94/640px-Allende_Matteo_Chinellato.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out Chondrule grains within an Allende fragment, scale = 1 cm https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/56f2eca3-dd2b-403e-aa85-524dfc22bcaa/Papakolea_Beach_sand_low_mag_052915.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out Green olivine sand weathered from basalt, Papakolea Beach, Hawaii https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a18357b6-e299-4e3b-9c0f-7654373d5818/Holding_green_sand_at_Papakolea_green_sand_beach_in_Hawaii.jpg All Episodes - 4: The Cradle of Stardust - Make it stand out Olivine sand, Papakolea Beach, Hawaii https://www.bedrockpodcast.com/all-episodes/episode-05-building-the-underworld monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0cf7f156-f591-4094-bb98-dcbc96facf5f/640px-Gamer_at_E3_2012_%287165443243%29.jpg All Episodes - 5: Building the Underworld - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/34a61683-64de-49a1-859d-ee1d19962051/640px-BennuAsteroid.jpg All Episodes - 5: Building the Underworld - Make it stand out Bennu, an asteroid ~500 m wide, within the Hadean “danger zone”. It’s perfectly safe today, though. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/45f915e1-1c97-4921-8508-69dd2bf9476b/640px-Balsamoil_Protean.jpg All Episodes - 5: Building the Underworld - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0de8710f-ea35-4e6c-ace9-1c72cad90678/Hoba_Meteorite_2007.jpg All Episodes - 5: Building the Underworld - Make it stand out The Hoba Meteorite, Namibia. Human for scale. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dbbed020-182d-4dd3-871e-b8f9566e2b3b/Esquel.jpg All Episodes - 5: Building the Underworld - Make it stand out The Esquel Pallasite, Argentina. Olivine crystals float in iron-nickel alloy. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1645263641024-M4H5F16F2T026ZY2U3ZK/640px-Vesta_black_background.png All Episodes - 5: Building the Underworld - Make it stand out Vesta, 525 km wide, the same width as Uruguay https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2bcdd2f8-5ed8-4ba5-9a12-5c424981be3e/640px-Ceres_-_RC3_-_Haulani_Crater_%2822381131691%29_%28cropped%29.jpg All Episodes - 5: Building the Underworld - Make it stand out Ceres, 940 km wide, the same width as France https://www.bedrockpodcast.com/all-episodes/episode-06 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d82da172-2d66-4d76-a08c-0c4bc2e62058/%D0%9A%D0%BE%D0%BB%D1%8C%D1%81%D0%BA%D0%B0%D1%8F_%D1%81%D0%B2%D0%B5%D1%80%D1%85%D0%B3%D0%BB%D1%83%D0%B1%D0%BE%D0%BA%D0%B0%D1%8F_%D1%81%D0%BA%D0%B2%D0%B0%D0%B6%D0%B8%D0%BD%D0%B0_crop.jpg All Episodes - 6: Working Out the Core - Make it stand out The top of the Kola Superdeep Borehole, northern Russia. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2066d555-9852-485a-8ad6-d300cc439a2c/Chris_Potter_-_3D_Tin_Can_Phones.jpg All Episodes - 6: Working Out the Core - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7d6e7604-724c-4a85-b73f-c2a44fef5abf/Earthquake_wave_shadow_zone.svg.png All Episodes - 6: Working Out the Core - Make it stand out Waves leaving an earthquake. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/df92881d-7975-48ee-82ed-ed01c653e9c3/Simulation_of_2D_mantle_convection_in_a_quarter_of_annulus_using_ASPECT_mantle_convection_code.gif All Episodes - 6: Working Out the Core - Make it stand out Mantle convection model, Kronbichler et al., 2012 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1e06dd92-53d1-4e1d-9f95-c179c9d374ef/1600px-Slickenlined_serpentinite_%2849146205268%29.jpg All Episodes - 6: Working Out the Core - Make it stand out Serpentine from Wyoming, USA (Proterozoic), formed from the interaction of water with mantle-derived rocks. The green is derived from original olivine. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/db3fef54-2906-49e5-9c07-c099b7e0b433/1024px-Dynamo_Theory_-_Outer_core_convection_and_magnetic_field_geenration.svg.png All Episodes - 6: Working Out the Core - Make it stand out Model of the magnetic field within the inner core https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/715f8cc7-d353-46d8-aed6-ae093ad0f959/Compass_IMG_1223.jpg All Episodes - 6: Working Out the Core - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8faa68f1-9cbc-430d-aee2-56d703729001/Polarlicht_2.jpg All Episodes - 6: Working Out the Core - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/92efe9ec-4b54-43a8-9e3d-5cd49e9057a7/Inge_Lehman.jpg All Episodes - 6: Working Out the Core - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-07 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1c525b09-bfbf-48ea-b1ed-4fe22800a77e/640px-OSIRIS_Mars_true_color.jpg All Episodes - 7: An Ocean of Magma - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1646654535062-RDFGETAU1PRYXQL1J989/The_Daya_Bay_Antineutrino_Detector_%288056998030%29.jpg All Episodes - 7: An Ocean of Magma - Make it stand out The Daya Bay Antineutrino Detector, Shenzhen, China. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fdc82122-e4bc-474b-a193-1df5eed5ed77/Core-mantle_differentiation_processes.png All Episodes - 7: An Ocean of Magma - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e5f97136-93ca-4ac0-b35c-aa6061c3497d/Diamond_anvil_cell.jpg All Episodes - 7: An Ocean of Magma - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/639426ed-86df-40a8-9063-90b469ccaff6/640px-Granat%2C_Madagaskar.JPG All Episodes - 7: An Ocean of Magma - Make it stand out Garnet crystal, Madagascar https://www.bedrockpodcast.com/all-episodes/episode-08 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/03c0e45c-4f2b-4abc-ad66-59d350bbc16e/Aldrin_Apollo_11.jpg All Episodes - 8: Bad Moon Rising - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dcae0be2-5444-460e-99da-ce8e2f0f48a8/Homemade-merry-go-round.jpg All Episodes - 8: Bad Moon Rising - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b6ae021f-9bd8-4048-b183-60ea71add743/George_Darwin_SI.jpg All Episodes - 8: Bad Moon Rising - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1642462064225-2QQJC8M8JFEW682T2ZBY/planetary_collision.jpg All Episodes - 8: Bad Moon Rising - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e5e62538-8760-4558-ba15-9cdc58061c19/Big_Splash_Theia.gif All Episodes - 8: Bad Moon Rising - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/ella-holme monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/94f04136-39af-44c4-bb2d-cb61bbb42948/20180710_180233.jpg All Episodes - Dr. Ella Holme: Fixing Climate Change - Make it stand out Bushfire in Western Australia, experienced by Ella and Dylan in 2018. https://www.bedrockpodcast.com/all-episodes/nadja-drabon monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/33783845-f06e-4126-b7ae-efcb8879472a/img_20180819_082352_2.jpg All Episodes - Dr. Nadja Drabon: Earth’s Baby Photos - Make it stand out Barberton Mountain Land, South Africa. Dr. Drabon’s field location and UNESCO World Heritage Site. https://www.bedrockpodcast.com/all-episodes/episode-09 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ce98e5d2-ad5c-49e9-92a2-0418b0bae29d/Earth+Calendar+Hadean.png All Episodes - 9: The Great Gig in the Sky - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e5c06d89-0431-49d6-afeb-c247c527f64a/Earearth.png All Episodes - 9: The Great Gig in the Sky - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/52486a8e-af77-4c22-9a2f-8caa9903417a/LROC_wac643nm_Moon_rotation268.gif All Episodes - 9: The Great Gig in the Sky - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/52193c88-27cb-40ef-b6dd-22816ee68cd3/%C3%81rap%C3%A1ly_forgat%C3%B3nyomat%C3%A9k.png All Episodes - 9: The Great Gig in the Sky - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/bdb236cd-92b1-4eac-9117-e7ea7bb6146e/1599px-International_cheese_platters.jpg All Episodes - 9: The Great Gig in the Sky - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2fb3b299-0761-4aaa-bdb2-49607591c46a/Augite_Rwanda.jpg All Episodes - 9: The Great Gig in the Sky - Make it stand out Augite, a pyroxene common on the moon. Sample from Rwanda. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f8780372-88e5-460a-b7a1-cdda8ba681cb/Anorthite-rare08-38b.jpg All Episodes - 9: The Great Gig in the Sky - Make it stand out Anorthite, the dominant lunar plagioclase. Sample from Italy https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c0a1a5aa-1758-438d-b595-ca38d14c763a/Norman_Levi_Bowen_%281887-1956%29.jpg All Episodes - 9: The Great Gig in the Sky - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/705b06c0-b256-45b6-80e9-8a99ea12a1e3/Bowen%27s_Reaction_Series.png All Episodes - 9: The Great Gig in the Sky - Make it stand out Bowen’s Reaction Series https://www.bedrockpodcast.com/all-episodes/episode-10 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7f823143-3955-4b80-a447-b656bd2cc40c/640px-Zircon-dtn1a.jpg All Episodes - 10: The Oldest Thing on Earth - Make it stand out Zircon crystal, Pakistan https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f63dba25-7a9d-43d9-a6a7-c8d49524e3b7/Screen+Shot+2022-04-17+at+2.44.11+PM.png All Episodes - 10: The Oldest Thing on Earth - Make it stand out Zircon cross-section, circles show sampling locations using ionized atom streams https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2c1cd0d7-76e8-45ea-ad28-988060850089/Dr+Bill+Compston+investigates+moon+rock+samples+from+the+Apollo+mission+to+the+moon%2C+1+July+1969+%28ANUA225-243%29.+Photographer+Gab+Carpay.+.jpg All Episodes - 10: The Oldest Thing on Earth - Make it stand out Prof. Compston investigating lunar samples at ANU, 1969 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/22c46c36-ffcd-45d0-8b53-0a608ec4c416/SHRIMP+II.jpg All Episodes - 10: The Oldest Thing on Earth - Make it stand out SHRIMP II, the current successor to SHRIMP at ANU, Canberra https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/88d7fb86-cf63-480a-9fef-a2e7073ccead/Acacia_aneura_habit.jpg All Episodes - 10: The Oldest Thing on Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2ad3d68d-74e3-4911-abfc-8368000c9a6c/Screen+Shot+2022-04-17+at+2.45.30+PM.png All Episodes - 10: The Oldest Thing on Earth - Make it stand out Jack Hills zircons, Western Australia ~3.9 Bya https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c18ec69c-caac-4675-80e6-2048b1423abc/Cathodoluminescence-image-of-zircon-W74-2-36-from-the-Jack-Hills-metaconglomerate_W640.jpg All Episodes - 10: The Oldest Thing on Earth - Make it stand out The zircon W74/2-36, the oldest thing on Earth, 4.404 billion years. Jack Hills, WA. https://www.bedrockpodcast.com/all-episodes/episode-11 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/137c2953-66b5-4d83-98f9-b9ba8324be11/640px-Wegener_1912.gif All Episodes - 11: Heretics and Heroes - Make it stand out Alfred Wegener on the 1912-13 Greenland Expedition https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/05038acd-075a-41ab-a74a-c06c5989f8cd/The_origin_of_continents_and_oceans_-_Wegener_%281924%29_-_figure_22.jpg All Episodes - 11: Heretics and Heroes - Make it stand out One of Wegener’s maps of Pangaea, illustrating an earlier stage of continental drift. Standard today, revolutionary and reviled in 1924. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f90a3e7b-bf6a-49ef-823c-10602b74d64b/Screen+Shot+2022-04-26+at+2.18.26+PM.png All Episodes - 11: Heretics and Heroes - Make it stand out A young Marie Tharp, soil science assistant, ca. 1930. Image from Lamont-Doherty Earth Observatory, in Landa 2010 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e084f20b-f6d3-490a-902b-bcc107757d45/Screen+Shot+2022-04-26+at+2.23.35+PM.png All Episodes - 11: Heretics and Heroes - Make it stand out Underwater profiles across the North Atlantic Ocean from west to east, plotted by Marie Tharp in 1952. From Tharpe & Frankel (1986) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/65f01ac0-a0e5-4dd8-880d-9ce7b3aabadd/537480113_85f978189a_z.jpg All Episodes - 11: Heretics and Heroes - Make it stand out Tharp & Heezen investigating their ocean maps. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1650974078506-C0K0J7XW1Q443H5E27LK/%28Manuscript_painting_of_Heezen-Tharp_World_ocean_floor_map_by_Berann%29.jpg All Episodes - 11: Heretics and Heroes - Make it stand out The first comprehensive map of the ocean floors by Marie Tharp and Bruce Heezen, 1977 https://www.bedrockpodcast.com/all-episodes/episode-12 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1650974078506-C0K0J7XW1Q443H5E27LK/%28Manuscript_painting_of_Heezen-Tharp_World_ocean_floor_map_by_Berann%29.jpg All Episodes - 12: Scratching the Surface - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/80a3233d-1186-49f4-8ffe-9e2182c0e47e/Mid-ocean_ridge_cut_away_view.png All Episodes - 12: Scratching the Surface - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d849b0f8-d95f-4cdd-af5a-bbcebdfd25b3/Pillow_lava_at_Oamaru.jpg All Episodes - 12: Scratching the Surface - Make it stand out Basalt outcrop in New Zealand https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1dbb9ff7-2fcb-46d6-b1f0-1488881a6201/Map_of_the_Kermadec_and_Tonga_subduction_trench.jpg All Episodes - 12: Scratching the Surface - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d9f56916-ab76-4518-8db6-4207ad90e3bf/Subduction.svg.png All Episodes - 12: Scratching the Surface - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/bae0095d-a3a3-428c-9b8b-ead2f6107c66/Vulcankrater%2C_Vulcano-.JPG All Episodes - 12: Scratching the Surface - Make it stand out Crater on Vulcano, Italy https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2ad0ba73-c70c-4c90-b931-86af48bca8d6/Ice_Springs_basalt_is1.jpg All Episodes - 12: Scratching the Surface - Make it stand out Basalt: dark, dense oceanic crust https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fb72d0b8-ab65-4198-a95c-2d0880d86bf5/PinkRhyolite.tif.jpg All Episodes - 12: Scratching the Surface - Make it stand out Rhyolite: pale, light, volcanoes on islands/continents https://www.bedrockpodcast.com/all-episodes/episode-13 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/efc1295a-c408-437a-be46-680b972f77ec/Halite_2.jpg All Episodes - 13: Message in a Bottle - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dba26bd9-55e9-4647-9772-a59044fc21a5/20220510_142353.jpg All Episodes - 13: Message in a Bottle - Make it stand out Clear quartz, amethyst, and rose quartz: all SiO2, with traces of different elements. University Museum, Bergen, Norway. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b04af241-7ef3-434d-8094-f3490ec43d2b/Hafnium_%2872_Hf%29.jpg All Episodes - 13: Message in a Bottle - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/3eff586b-1b8e-4f99-9f6d-66d79764bb7c/DirkCoster1930s.jpg All Episodes - 13: Message in a Bottle - Make it stand out Dirk Coster https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/3f6977ea-234b-4dab-9f03-e4f9b22e0292/George_de_Hevesy.jpg All Episodes - 13: Message in a Bottle - Make it stand out Gyorgy de Hevesy https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d9f56916-ab76-4518-8db6-4207ad90e3bf/Subduction.svg.png All Episodes - 13: Message in a Bottle - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/613c5418-dbca-4e05-99f5-0c6f53ff4b2b/Mus%C3%A9um_de_Nantes_-_028_-_Granite_beige_%28Guern%2C_C%C3%B4tes-d%27Armor%2C_France%29.jpg All Episodes - 13: Message in a Bottle - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-14 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/61cd1574-d191-41c6-8f4f-5a3910db9843/281135731_10158888372610838_8021046959971050017_n.jpg All Episodes - 14: Waterworld - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/386609e2-49b6-4f89-94ef-c1afd0a8b04f/all-the-worlds-water.jpg All Episodes - 14: Waterworld - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/649075e9-fa71-488a-945e-ab5181bde62b/41550_2019_868_Fig1_HTML.png All Episodes - 14: Waterworld - Make it stand out Solar System, showing the snow lines for water and CO2, Marocchi & Piani 2019 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f5f716d5-cc8f-4de4-9eac-dda74d5d0dab/960px-Portrait_of_Jupiter_from_Cassini.jpg All Episodes - 14: Waterworld - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-15 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7f64a33b-cce7-43e5-a11b-75ea6e26f3d0/Andaman_Sea_at_night%2C_Moonset%2C_Moonlight.jpg All Episodes - 15: Sea Change - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dabb1283-4d39-4e42-82a7-143d140b72bb/1600px-Pillow_balls_on_Mozart_Seamount.jpg All Episodes - 15: Sea Change - Make it stand out Seafloor basalts, Mozart Seamount, North Pacific Ocean https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b4038cb4-4bb9-4fc9-b7bc-76f513b9fd17/Spheroidal_weathering.jpg All Episodes - 15: Sea Change - Make it stand out A pale weathering surface on a dark basalt: water slowly changing minerals https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/52ab8939-2ae6-4a54-9aa3-26b3e5eeee02/Global_Oxygen_Cycle.jpg All Episodes - 15: Sea Change - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/eb459851-3567-4f09-9db2-453b3339baaa/Big_and_little_dog_1.jpg All Episodes - 15: Sea Change - Make it stand out Light and heavy “isotopes” of dogs https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5b7d9b1b-3a7b-445a-94f2-5324405292c6/Screen+Shot+2022-05-22+at+10.53.30+AM.png All Episodes - 15: Sea Change - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/65eacace-83ad-42da-9a3a-94d6c9bc3dd5/Screen+Shot+2022-05-22+at+10.54.02+AM.png All Episodes - 15: Sea Change - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/33e98c92-7a71-470f-898d-e1dd5a6ae516/Igneous_structures.jpg All Episodes - 15: Sea Change - Make it stand out Various ways magma interacts underground: A is a magma chamber https://www.bedrockpodcast.com/all-episodes/episode-16 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d043c72b-4fd5-4e58-b1dd-8c6f6e0b442e/Carbon_atom_%28Bohr_model%29.png All Episodes - 16: Life Before Fossils - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/96bae2d2-51f9-4ae1-8aa0-ccf6c11972fa/DNA_Structure%2BKey%2BLabelled.pn_NoBB.jpg All Episodes - 16: Life Before Fossils - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/770451be-6b25-4fd4-adb7-ee0aa5f0db6b/Screen+Shot+2022-06-02+at+9.38.38+AM.png All Episodes - 16: Life Before Fossils - Make it stand out Diamonds embedded in a 4.25 billion-year-old zircon (Menneken et al., 2007) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/eb459851-3567-4f09-9db2-453b3339baaa/Big_and_little_dog_1.jpg All Episodes - 16: Life Before Fossils - Make it stand out Light and heavy “isotopes” of dogs. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/46a001a1-bbcf-4de1-a3d4-9654afb4ba47/Screen+Shot+2022-06-02+at+9.49.21+AM.png All Episodes - 16: Life Before Fossils - Make it stand out Cross-section of a Jack Hills zircon showing abrasion with diamond fragments (*), from Dobrzhinetskaya et al., 2014. The view is 3 microns wide. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8aec5afe-41c5-4f64-8b17-503fb3dd51dd/Graphite-233436.jpg All Episodes - 16: Life Before Fossils - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1b803731-a8b4-4815-96e4-3e4852782d56/Screen+Shot+2022-06-02+at+9.54.25+AM.png All Episodes - 16: Life Before Fossils - Make it stand out Carbon isotopes from early minerals. Lighter isotopes are lower on the chart, such as organic carbon and Jack Hills graphite (∆), from Bell et al., 2015 https://www.bedrockpodcast.com/all-episodes/joti-rouillard monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/bbbf4367-638b-4b02-9d39-54d3b6d6f406/Geobiology+-+2018+-+Rouillard+-+A+morphogram+for+silica%25E2%2580%2590witherite+biomorphs+and+its+application+to+microfossil.jpg All Episodes - Dr. Joti Rouillard: Fossil Imposters - Make it stand out Spot the differences! Panels A, C, F, and H on the left are non-living biomorph crystals. Everything else is a living or fossil bacteria. You can see how tough it is to ID an ancient fossil! From Rouillard et al., 2018 https://www.bedrockpodcast.com/all-episodes/miniseries-antarctica monthly 0.5 2025-05-24 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8ec6dfed-6a8c-4c10-8e76-2f58dc97f4bc/Screen+Shot+2023-01-02+at+10.21.51+PM.png All Episodes - Miniseries: The Oldest Rocks in Antarctica - Make it stand out Geologic map of Antarctica. Pink rocks are Precambrian (> 500 million years old). Modified from Matsuoka et al., 2018. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dfc33925-b27c-4c3c-88e3-e383484af495/Garnet_gneiss.jpg All Episodes - Miniseries: The Oldest Rocks in Antarctica - Make it stand out Garnet gneiss from Enderby Land, Antarctica, ~3.8 billion years old https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4d05f469-49c0-491d-8841-7616300aef8a/Douglas_Mawson_1914_1.jpeg All Episodes - Miniseries: The Oldest Rocks in Antarctica - Make it stand out Sir Douglas Mawson, 1914 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/bfbe1e06-a952-4621-9b62-734846adc3b1/Douglas_Mawson_recuperating.jpg All Episodes - Miniseries: The Oldest Rocks in Antarctica - Make it stand out Sir Douglas Mawson, recovering from his Antarctic expedition in 1913 https://www.bedrockpodcast.com/all-episodes/miniseries-australia monthly 0.5 2025-05-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f13c1123-bc69-41b1-93c9-bd3c5f47d94f/Map-of-Australia-displaying-the-main-cratonic-orogens-and-Proterozoic-basins-adapted.png All Episodes - Miniseries: The Oldest Rocks in Australia - Make it stand out Precambrian rocks of Australia: Archean cratons in dark orange. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/679fb547-1412-401f-9b35-b54229c8fa28/Perth_Mint_-_Joy_of_Museums_-_The_One_Tonne_Gold_Coin.jpg All Episodes - Miniseries: The Oldest Rocks in Australia - Make it stand out One ton coin of Yilgarn gold: National Mint, Perth. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9e4a665b-32ac-4175-9f16-64cf39fa0edd/20220728_125732.jpg All Episodes - Miniseries: The Oldest Rocks in Australia - Make it stand out Stromatolite. 3.5 billion years old, Pilbara Craton https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/66a5c33f-dae7-4d25-a570-612c3ab703ab/15059380105_8c08730728_b.jpg All Episodes - Miniseries: The Oldest Rocks in Australia - Make it stand out Banded iron formation, Gawler Craton, 1.9 billion years old https://www.bedrockpodcast.com/all-episodes/miniseries-africa monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2c19efd4-60ad-4e5f-aead-151fac909c0c/Sketched-geologic-map-of-Africa-showing-the-distributions-of-Archean-cratons-all-of_W640.jpg All Episodes - Miniseries: The Oldest Rocks in Africa - Make it stand out Archean cratons across Africa, highlighted in yellow. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a8bf9632-763d-415c-9eae-28b09e987fd0/640px-Pectoral%2C_Ghana%2C_Asante_%28Ashanti%29%2C_early_20th_century_AD%2C_gold_-_Ethnological_Museum%2C_Berlin_-_DSC02269.JPG All Episodes - Miniseries: The Oldest Rocks in Africa - Make it stand out Ashanti gold pendant from Ghana, 20th century. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c3804b87-2b17-4195-b170-c6152f942260/Great_Dyke_of_Zimbabwe_ISS.JPG All Episodes - Miniseries: The Oldest Rocks in Africa - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/cc5914c9-20fe-4e34-b8be-ed9a3392b31e/DSC_0140.JPG All Episodes - Miniseries: The Oldest Rocks in Africa - Make it stand out Stromatolite, 2.5 billion years old, Sudwala Caves, South Africa https://www.bedrockpodcast.com/all-episodes/miniseries-south-america monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ba119e50-f242-4f23-85cc-5d967dd4a7f3/Cratons_West_Gondwana.svg.png All Episodes - Miniseries: The Oldest Rocks in South America - Make it stand out Archean cratons connected across South America and Africa. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/3a78294c-90bb-429d-8509-b2f45a3f000e/Screen+Shot+2023-02-22+at+11.33.44+AM.png All Episodes - Miniseries: The Oldest Rocks in South America - Make it stand out Some of Brazil’s oldest rocks, gneisses 3.4 billion years old from the Sao Francisco Craton, southwest of Salvador (from Lopes et al 2021, Precambrian Research) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ed6f2496-7c78-45d0-9183-d171ae26aef6/Isa_Carajas.jpg All Episodes - Miniseries: The Oldest Rocks in South America - Make it stand out The Carajas iron mine, the largest in the world, founded by the smallest organisms billions of years ago. https://www.bedrockpodcast.com/all-episodes/miniseries-asia monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/56425fc2-fd57-4368-916e-13dd0dd9a08b/Simplified-tectonic-map-of-the-Asia-showing-the-location-of-the-Altaids-Modified-after.ppm.png All Episodes - Miniseries: The Oldest Rocks in Asia - Make it stand out Simplified map of Eurasian cratons, from Xiao et al., 2020. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d309752d-a5b3-491b-bab8-f2c111723070/Comparison-of-resistivity-maps-at-a-depth-of-4-km-with-a-residual-gravity-field-map_W640.jpg All Episodes - Miniseries: The Oldest Rocks in Asia - Make it stand out Sub-surface maps in Siberia: top panel: magnetic fields, bottom panel: relative gravity. From Afanasenkov and Yakolev 2018, Russ. Geology & Geophysics. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/83868475-6b5a-498b-bd92-09db860a7d45/640px-Blacksmoker_in_Atlantic_Ocean.jpg All Episodes - Miniseries: The Oldest Rocks in Asia - Make it stand out Modern black smoker, Atlantic Ocean https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/42860e0e-cd25-4ebb-9588-a4737c728245/Indian_subcontinent_drift-fr.svg.png All Episodes - Miniseries: The Oldest Rocks in Asia - Make it stand out India’s wild ride for 70 million years https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/6b8a6bf0-6ada-4fe0-adb2-2d7906032b9d/Screen+Shot+2023-02-22+at+12.33.35+PM.png All Episodes - Miniseries: The Oldest Rocks in Asia - Make it stand out Fossil stromatolites from the Dharwar Craton, northwest of Bangalore, India. From Khelen et al., 2019, Precambrian Research. https://www.bedrockpodcast.com/all-episodes/miniseries-europe monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e6b74932-ea3e-47d7-bb76-39d16536ed22/Eurasian_borders.jpg All Episodes - Miniseries: The Oldest Rocks in Europe - Make it stand out The border between Europe and Asia over time at various points in history. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/6be49e29-2cba-4432-87c2-e04924877dcf/Precambrian-tectonic-complexes-of-the-East-European-Craton-The-red-rectangle-shows-the.jpg All Episodes - Miniseries: The Oldest Rocks in Europe - Make it stand out East European Craton regions, from Mezyk et al., 2018. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9fa28ecf-316f-45e7-8f45-607898c0f19d/640px-Our_Native_Ferns_-_Carboniferous_Pteridophyta.jpg All Episodes - Miniseries: The Oldest Rocks in Europe - Make it stand out Ancient coal forest, ~3 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f40b73f1-60db-4f18-8cd4-359fae51e5f4/640px-Overview_Baltic_shield.png All Episodes - Miniseries: The Oldest Rocks in Europe - Make it stand out Various regions in the Baltic Shield https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/326e2562-bfc5-4aa2-900d-d715eb7acf53/Stamp_of_Finland_-_1986_-_Colnect_47103_-_Rapakivi_Granite_with_K-feldspar_and_plagioclase.jpeg All Episodes - Miniseries: The Oldest Rocks in Europe - Make it stand out Finnish stamp featuring Rapakivi granite. https://www.bedrockpodcast.com/all-episodes/miniseries-north-america monthly 0.5 2025-05-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4bde506a-b70d-4993-b6ee-745fa9039a2d/640px-Canada_geological_map.JPG All Episodes - Miniseries: The Oldest Rocks in North America - Make it stand out The Canadian Shield, highlighted in reds and oranges. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c0f4da2f-47a6-4d1e-a900-f621c80d76a5/Screen+Shot+2023-02-22+at+2.52.18+PM.png All Episodes - Miniseries: The Oldest Rocks in North America - Make it stand out Giant limestone stromatolites from Ontario, Canada, 2.8 billion years old. Hat for scale. From Riding et al., 2014. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a9155b34-800f-4cca-8e76-ac14c25e88fe/Acasta_gneiss.jpg All Episodes - Miniseries: The Oldest Rocks in North America - Make it stand out A piece of the Acasta Gneiss, 4.0 billion years old https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ee0008c7-1762-4709-992d-cb527ac7231e/640px-Haproff.jpg All Episodes - Miniseries: The Oldest Rocks in North America - Make it stand out Coming soon: Greenland, the main setting for Season 2. https://www.bedrockpodcast.com/all-episodes/episode-17 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f8087e3c-dbf7-410a-9e0e-256f24c0666c/Earth+Calendar+Hadean.png All Episodes - 17: The Building Blocks of Life - Make it stand out The Hadean in the Earth Calendar https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f0b96be3-e8a1-4aa3-8036-1f4f78874152/340489.png All Episodes - 17: The Building Blocks of Life - Make it stand out Different levels of organization in organisms. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7fb82683-f0c1-4f46-bb0e-565fa0125024/225_Peptide_Bond-01.jpg All Episodes - 17: The Building Blocks of Life - Make it stand out Amino acids building into proteins https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1f69d566-003c-4c23-845f-e5545ba8ff6b/640px-Amylose_3Dprojection.corrected.png All Episodes - 17: The Building Blocks of Life - Make it stand out Starch, a complex carbohydrate made of individual sugar molecules https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ce42e652-729d-48b5-bf0c-6434b94dc055/Liposome_scheme-en.svg.png All Episodes - 17: The Building Blocks of Life - Make it stand out Fat molecules forming bubbles in water https://www.bedrockpodcast.com/all-episodes/miniseries-episode-18 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/96bae2d2-51f9-4ae1-8aa0-ccf6c11972fa/DNA_Structure%2BKey%2BLabelled.pn_NoBB.jpg All Episodes - 18: We Are Stardust - Make it stand out DNA, a complex organic molecule https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b1cd3028-fe1f-4f00-a61f-41a0c26bbb1b/Nicole_Stott_participates_in_the_STS-128_mission%27s_first_spacewalk.jpg All Episodes - 18: We Are Stardust - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/6a8552a0-dc98-4901-b63c-395895987f32/Absorption_and_Emission_Spectra_of_Various_Elements_%2801F8GF9E8WXYS168WRPPK9YHEY%29.png All Episodes - 18: We Are Stardust - Make it stand out Absorption spectrum of several atoms https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c8526373-82db-4da2-9f15-6547e667bffa/640px-Superphenalene.svg.png All Episodes - 18: We Are Stardust - Make it stand out One example of a Polycyclic Aromatic Hydrocarbon (PAH) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/37eba4b7-0a44-47ab-a74f-cec10869b147/Orion_Nebula_-_Hubble_2006_mosaic_18000.jpg All Episodes - 18: We Are Stardust - Make it stand out Orion Nebula, cradle of stars, planets, and organic matter https://www.bedrockpodcast.com/all-episodes/episode-19 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/19cd6dc2-9e45-403c-a189-20124f743ed3/Allende_Matteo_Chinellato.jpg All Episodes - 19: The Hitchhiker’s Guide to the Galaxy - Make it stand out The Allende Meteorite from Episode 4, a classic carbonaceous chondrite. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dbfcbebf-f7dd-4622-b1e9-e23f65dec1b7/ALH84001_structures.jpg All Episodes - 19: The Hitchhiker’s Guide to the Galaxy - Make it stand out The structures on meteorite ALH8001: striking, but probably not fossils https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e59a74f9-75c1-48c6-b659-3ac29b8b35c8/640px-Anaxagoras_Lebiedzki_Rahl.jpg All Episodes - 19: The Hitchhiker’s Guide to the Galaxy - Make it stand out Anaxagoras, the father of the panspermia idea https://www.bedrockpodcast.com/all-episodes/episode-20 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/48b21560-3c19-4d01-93d4-7371a3638c87/The_Bomb_Rocks%2C_Charnwood_Lodge_SSSI%2C_Charnwood_Forest.jpg All Episodes - 20: Primordial Soup - Make it stand out The word “Cambrian” comes from Latin for “Welsh”, since Wales was where British geologists found what they considered the oldest fossils. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5cc80c1f-832e-4bfd-ac50-dc438231e398/640px-Miller1999_no_frame.jpg All Episodes - 20: Primordial Soup - Make it stand out Stanley Miller standing next to his experiment https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/149ba52c-e75f-418a-bc35-3b71ea068ebc/Tavurvur_volcano_edit.jpg All Episodes - 20: Primordial Soup - Make it stand out In addition to the visible ash, this volcano is also belching out lots of CO2 https://www.bedrockpodcast.com/all-episodes/episode-21 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/841f9ac5-24ca-498c-a6e2-29644de6822d/Difference_DNA_RNA-EN.svg.png All Episodes - 21: Cracking Life’s Code - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/be62a04d-4393-4304-8c41-44b2700ff505/640px-Types_of_RNA.png All Episodes - 21: Cracking Life’s Code - Make it stand out From left to right, RNA in its’ roles as the “Recipe”, the “Assistant”, and the “Chef” https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/eba413dd-7f16-4d56-a0fd-9a311d844154/Etls-2019-0024c.01.png All Episodes - 21: Cracking Life’s Code - Make it stand out One possible way “RNA World” took simple molecules and built complex structures https://www.bedrockpodcast.com/all-episodes/episode-22 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e7601caf-4449-4542-9154-54ec9a2dde5a/%D0%9A%D0%BE%D1%81%D0%BC%D0%BE%D1%81_%D0%B2_%D0%BC%D0%BE%D0%B5%CC%88%D0%BC_%D0%B4%D0%BE%D0%BC%D0%B5_2.jpg All Episodes - 22: Cell’s Kitchen - Make it stand out Drops of oil surrounded by water- why do they always separate? https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8ac3e68d-11f0-4945-983c-3b4a5fbd7b94/1920px-MARUM_Schwarzer_Raucher.jpg All Episodes - 22: Cell’s Kitchen - Make it stand out A black smoker on the Mid-Atlantic Ridge, 3300 m (~10,000 ft) deep https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/63655c5c-565f-4c7c-b104-5098b035be45/Lost_City_%28hydrothermal_field%2902.jpg All Episodes - 22: Cell’s Kitchen - Make it stand out White smokers at the “Lost City”, also on the Mid-Atlantic Ridge https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4d6058dc-79ca-46c1-b607-9d227389e3db/Strokkur_geyser_eruption%2C_close-up_view.jpg All Episodes - 22: Cell’s Kitchen - Make it stand out An Icelandic geyser. Pay attention to the wet surrounding plain- this is one possible habitat where the first cells assembled in the Hadean. https://www.bedrockpodcast.com/all-episodes/episode-23 monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f20cd0a1-7c0d-46ab-9b00-31e2755af536/640px-Supernova_%28CGI%29.jpg All Episodes - 23: It’s Alive! - Make it stand out Put simply: The energy released from the death of stars helps fuel growth elsewhere https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f1ca25f3-377d-453f-bfba-fad1b420a098/Darwin_Tree_1837_cropped.png All Episodes - 23: It’s Alive! - Make it stand out Charles Darwin’s 1837 sketch of the Tree of Life https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/25538237-5a92-4067-b1e3-3f65bcecb500/Clostridium_septicum_01.jpg All Episodes - 23: It’s Alive! - Make it stand out Clostridium septicum, a bacteria “close” to the root of life’s tree, which also causes gangrene https://www.bedrockpodcast.com/all-episodes/recap monthly 0.5 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1642462099035-ITGAR10PIWHIEIOZ44LK/Rocky_Body_4.jpg All Episodes - Season 1 Recap: The Hadean - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1642462064225-2QQJC8M8JFEW682T2ZBY/planetary_collision.jpg All Episodes - Season 1 Recap: The Hadean - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2ad3d68d-74e3-4911-abfc-8368000c9a6c/Screen+Shot+2022-04-17+at+2.45.30+PM.png All Episodes - Season 1 Recap: The Hadean - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1705117103319-63YOW896CPULNNOMETWK/Clostridium_septicum_01.jpg All Episodes - Season 1 Recap: The Hadean - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-24 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/57c1449e-19d8-415f-9a1f-3297f5757460/Dawn_in_Bray%2C_Co.Wicklow.jpg All Episodes - 24: A New Dawn - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0e67f6ae-d91d-4f5f-9907-8239d45f7b1e/Geologic_Clock_with_events_and_periods.svg.png All Episodes - 24: A New Dawn - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/6eceed7d-92e4-46bb-8bf4-1d39ddb359b6/William_Edmond_Logan.jpg All Episodes - 24: A New Dawn - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-25 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/63941489-e63b-4393-a418-892f1786cd8a/Taiga_and_bedrock_in_Yellowknife.jpg All Episodes - 25: The Oldest Rock on Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4dce543e-5d2d-4c42-b2d6-c16bec44bf99/Acasta_gneiss.jpg All Episodes - 25: The Oldest Rock on Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7498ae37-8bd0-4e2c-a268-ee448020bc74/SHRIMP_II.jpg All Episodes - 25: The Oldest Rock on Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-26 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9d35b63a-0b16-491b-8e2e-81011e55a614/National_Rock_Garden_-_Moruya_Tonalite.jpg All Episodes - 26: The Magma Forge - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/eea4a5b5-d107-474b-953c-f4dddb68a885/Brave_Robot_ice_cream_3.jpg All Episodes - 26: The Magma Forge - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c25767f0-8747-4ba0-9a12-5bcb3b207456/Yellowstone_magma_chamber.jpg All Episodes - 26: The Magma Forge - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-27 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d9c88e51-6664-47f8-a8b0-9ad0857c2b1b/Fractional_crystallization.svg.png All Episodes - 27: Rare Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fbf8b161-a5e4-47f7-a198-b6327a449bba/Rareearthoxides.jpg All Episodes - 27: Rare Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2cc80bc6-a570-425e-90ae-c457298f33be/640px-Eu-Block.jpg All Episodes - 27: Rare Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/89dc032b-3d4a-41b4-bafe-74dc1c28a03b/640px-Iceland_satellite.jpg All Episodes - 27: Rare Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fed55e72-3d42-4e4d-a464-333cc54294ba/Mantle_plume_development.jpg All Episodes - 27: Rare Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f8aac2b2-1f3d-4cb8-80be-6c146507e74e/Reynisfjara%2C_Iceland%2C_20230501_1646_4053.jpg All Episodes - 27: Rare Earth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-28 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a06b19b1-7e7c-4d7c-a03a-0a2bb7ec001c/Absorption_and_Emission_Spectra_of_Various_Elements_%2801F8GF9E8WXYS168WRPPK9YHEY%29.png All Episodes - 28: The Dark Side of the Sun - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/bc8a6aa2-07db-4283-be30-a7269ad9ca65/Observatory_data_analysis_by_women_computers%2C_circa_1890.jpg All Episodes - 28: The Dark Side of the Sun - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e91c9a82-bccd-4f5a-8f61-ccd25cbf2d4f/Morgan-Keenan_spectral_classification.svg.png All Episodes - 28: The Dark Side of the Sun - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/66ebb5ce-ac04-4788-8638-62b7a9aa4212/Solar_luminosity_variation.png All Episodes - 28: The Dark Side of the Sun - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/22559f23-6333-40c7-8341-1788894bce98/Carl_Sagan_Planetary_Society.jpg All Episodes - 28: The Dark Side of the Sun - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-29 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7d9c05a1-410d-43ef-847a-3f177a54ca6b/Lunar_Surface_%28AS16-121-19449%29.jpg All Episodes - 29: The Goldilocks Planet - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/243cc5f8-888b-44c6-b655-fed5b729890e/Atmosphere_gas_proportions.svg.png All Episodes - 29: The Goldilocks Planet - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/93a99349-7e87-475e-a472-75a483ac6446/1600px-Greenhouse-effect-t2.svg.png All Episodes - 29: The Goldilocks Planet - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1928a7e9-3ed1-4943-a9d5-6945d0955f44/Titan_in_true_color.jpg All Episodes - 29: The Goldilocks Planet - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-30 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/394dd101-c34b-4d15-9055-5bdc8c4de8b7/640px-Quebec_in_Canada.svg.png All Episodes - 30: Alternative Canadian Rock - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/710484a3-819e-488f-b1e8-8c13e3da5971/Nuvvuagittuq_Map_White.png All Episodes - 30: Alternative Canadian Rock - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/47f395b3-387c-499b-bfe1-4fcb3418be67/Nuvvuagittuq_belt_rocks.jpg All Episodes - 30: Alternative Canadian Rock - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1c8715bf-063c-429a-9eba-f05688f759a2/Garnet-Group-Quartz-43644.jpg All Episodes - 30: Alternative Canadian Rock - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-31 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/178ca87e-28bc-49c9-9cc3-75e72aeff249/Fuchsitic_quartzite_%28Elmers_Rock_Greenstone_Belt%2C_Archean%2C_%292.54_G All Episodes - 31: Trench Warfare - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4e3dbbce-5fc3-4a94-b823-b04bc3dbad8b/Pillow_Basalts.jpg All Episodes - 31: Trench Warfare - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/97193ea0-4cb9-4184-9b81-34ba4d9cd0a3/Black_Point_hexagonal_basalt_columns.png All Episodes - 31: Trench Warfare - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/201ab001-0745-46a3-85c7-d58dbbb7a674/Marianatrenchmap.png All Episodes - 31: Trench Warfare - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/aae507c0-cab2-4caf-ad7c-6694e2409f71/Subduction_Trench_Schematic.jpg All Episodes - 31: Trench Warfare - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-32 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/710484a3-819e-488f-b1e8-8c13e3da5971/Nuvvuagittuq_Map_White.png All Episodes - 32: Pumping Iron - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1709959372011-LBWBRRRMH99JN486FOCZ/Jaspilite_banded_iron_formation_%28BIF%29_%28Negaunee_Iron-Formation%2C_Paleoproterozoic%2C_1.874_or_2.11_Ga%3B_Jasper_Knob%2C_Ishpeming%2C_Michigan%2C_USA%29_105_%2848069797823%29.jpg All Episodes - 32: Pumping Iron - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/25c107ab-2018-441f-bc89-6ee632dcce85/%D0%A0%D0%B0%D0%B7%D0%BB%D0%B8%D0%B2%D0%BA%D0%B0_%D0%B6%D0%B8%D0%B4%D0%BA%D0%BE%D0%B3%D0%BE_%D1%87%D1%83%D0%B3%D1%83%D0%BD%D0%B0.jpg All Episodes - 32: Pumping Iron - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5ec57b54-bb04-4b4c-b156-cf0673fd1d5b/Cyanobacteria_Aggregation2.jpg All Episodes - 32: Pumping Iron - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ef286331-ded2-4a15-81fa-04b0b1daa5c0/Iron_oxyhydroxides.jpg All Episodes - 32: Pumping Iron - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-33 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1709959372011-LBWBRRRMH99JN486FOCZ/Jaspilite_banded_iron_formation_%28BIF%29_%28Negaunee_Iron-Formation%2C_Paleoproterozoic%2C_1.874_or_2.11_Ga%3B_Jasper_Knob%2C_Ishpeming%2C_Michigan%2C_USA%29_105_%2848069797823%29.jpg All Episodes - 33: A Thin Line - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f6f4a99f-5077-4866-be3a-98e7bdf2876b/ChertUSGOV.jpg All Episodes - 33: A Thin Line - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d6937b94-7ef7-46ab-a32e-a92da976a3fc/Screen+Shot+2024-05-01+at+1.22.56+AM.png All Episodes - 33: A Thin Line - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/141ec0ec-7f37-4f84-90e2-afec8db68e89/Screen+Shot+2024-05-01+at+1.22.39+AM.png All Episodes - 33: A Thin Line - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/6db7a1a5-637f-4ae8-a66e-782154fa0bf8/Chemical_garden_9156_Nevit_cr.jpg All Episodes - 33: A Thin Line - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-34 monthly 0.5 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f34c4c1e-658c-4d5b-9d93-af089b2df506/Man_In_The_Moon2.png All Episodes - 34: Bombardment - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/6a1aa8cd-6b80-4b08-920d-e2a02eb1e786/Moon_names.jpg All Episodes - 34: Bombardment - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/466ffb9f-ed32-4f1e-9740-bb7a428023f8/Screen+Shot+2024-05-28+at+11.17.11+PM.png All Episodes - 34: Bombardment - Make it stand out Gerald Wasserburg, from Ann. Rev. Earth & Env. Sci., 2003 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fd82756a-7a88-414e-be5f-caf40e1f5a46/Lhborbits.png All Episodes - 34: Bombardment - Make it stand out One variation of the Nice Model over time. Rings are the orbits of Jupiter (green), Saturn (orange), Uranus (light blue), Neptune (dark blue). White dots are asteroids, comets, and other smaller bodies scattered around the Solar System. https://www.bedrockpodcast.com/all-episodes/episode-35 monthly 0.5 2025-05-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b8e1a598-de61-409b-b10c-da11d552b0bb/640px-Luna-3_%28Memorial_Museum_of_Astronautics%29.jpg All Episodes - 35: The Man in the Moon - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9f01267d-d3e1-4232-bf8a-082002f320cb/640px-Luna_3_moon.jpg All Episodes - 35: The Man in the Moon - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/52486a8e-af77-4c22-9a2f-8caa9903417a/LROC_wac643nm_Moon_rotation268.gif All Episodes - 35: The Man in the Moon - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2fb3b299-0761-4aaa-bdb2-49607591c46a/Augite_Rwanda.jpg All Episodes - 35: The Man in the Moon - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f8780372-88e5-460a-b7a1-cdda8ba681cb/Anorthite-rare08-38b.jpg All Episodes - 35: The Man in the Moon - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fba3269e-1d18-4a69-82e8-5b4fe375c79d/Lunar_Magma_Ocean_White_Background.gif All Episodes - 35: The Man in the Moon - Make it stand out Evolution of the Moon’s magma ocean. Dark pyroxene sinks, plag floats. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e341ca6d-9f74-469a-b8a7-e13003d8a816/Lunar_Thorium_concentrations.jpg All Episodes - 35: The Man in the Moon - Make it stand out Thorium distributions on the Moon, one of the elements in KREEP. https://www.bedrockpodcast.com/all-episodes/episode-36 monthly 0.5 2025-06-04 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/06190b4a-90cc-4a9a-b55d-75364249801f/Eoarchean_World_occurrence.jpg All Episodes - 36: The Ghosts of Greenland - Make it stand out Eoarchean locations are marked in red: We’ve covered 1: The Acasta Gneiss, 2: Nuvvuagittuq, and are starting 4: Greenland. We won’t cover 3: Saglek-Hebron Block and 4: Napier Complex, at least not in the main series. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c058fbec-c5f7-4caa-8f53-468c5d263289/640px-Greenland_42.74746W_71.57394N.jpg All Episodes - 36: The Ghosts of Greenland - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1739770773004-2L10MI4ON3N2O5BGS6GF/Nuuk_city_below_Sermitsiaq.jpg All Episodes - 36: The Ghosts of Greenland - Make it stand out Nuuk, the capital of Greenlnd https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/566af761-16af-4ae9-b04f-1b121c6747f1/267401-max.jpeg All Episodes - 36: The Ghosts of Greenland - Make it stand out Vic Mcgregor (3rd in line) and company in Antarctica, 1961. Copyright: antarcticanz.govt.nz https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8b5438a7-f0c8-4cce-aa71-558dcb6d8182/Screen+Shot+2025-02-17+at+10.44.24+AM.png All Episodes - 36: The Ghosts of Greenland - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-37 monthly 0.5 2025-06-20 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a18efc2b-9607-447b-a89e-d09e9441de1d/Screen+Shot+2025-02-17+at+11.13.05+AM.png All Episodes - 37: Metamorphosis - Make it stand out Sandstone beneath the microscope (colors are from polarized light) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fa40cbd0-2e2c-4f7e-a0a6-04f9c0f0c665/Quartz_flowers.jpg All Episodes - 37: Metamorphosis - Make it stand out Quartzite under the microscope (again, polarized light) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2a6218fb-4dca-43ac-b4c0-c6bdb56043a4/Palisades_Sill_Olivine_Zone.jpg All Episodes - 37: Metamorphosis - Make it stand out Basalt under the microscope https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c3791267-b0c1-4b0b-b8a5-6468a3c469f0/Ashe_MMS_Amphibolite_XPL.jpg All Episodes - 37: Metamorphosis - Make it stand out Metamorphosed basalt under the microscope- note the squeezed crystals https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ec65d77c-3884-4b60-81df-3fe029f410c9/640px-Roche_verte_Mont-Cenis2.jpg All Episodes - 37: Metamorphosis - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0beb4f53-170e-48f7-b59c-f1dc092d60ba/Les_Monts-Verts_-_Ge%CC%81oscope_20200813-03_Amphibolite.jpg All Episodes - 37: Metamorphosis - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/86441dae-34c7-4992-9d43-a71ae09cbfcb/640px-Migma_ss_2006.jpg All Episodes - 37: Metamorphosis - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0a9bd395-df10-422e-900a-50891939ffb9/Two_old_men_hugging_in_Laos.jpg All Episodes - 37: Metamorphosis - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/db923cf7-e9b6-4ae8-a93c-d5795c9a28da/Wine-storage-Uncorkd1.jpg All Episodes - 37: Metamorphosis - Make it stand out Copyright: uncorkd https://www.bedrockpodcast.com/all-episodes/episode-38 monthly 0.5 2025-07-02 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/284851e6-3829-4bbc-9882-078ca4a68dd5/Metamorphic_facies_EN.svg.png All Episodes - 38: Hidden Gems - Make it stand out Different styles of metamorphism. It’s hotter to the right, and more pressurized up top. Check out greenschist, amphibolite, and granulite! https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dd1fc347-30e9-4b93-82ba-abad0d3cb6a1/Screen+Shot+2025-05-21+at+6.23.06+PM.png All Episodes - 38: Hidden Gems - Make it stand out The Itsaq Complex, modified from Nutman et al., 1993. Red are rocks 3.9 to 3.8 billion years old (Ga), yellow are 3.8 to 3.7 Ga, blue are 3.7 to 3.6 Ga, and pink are much younger (“only” 2.5 Ga). https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/197551f9-4fcc-45e9-af46-e6f6866c99bb/NW_DuToit_Mtns_enclaves_in_quartz_tonalite.jpg All Episodes - 38: Hidden Gems - Make it stand out Gray tonalite https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/07dd779c-ea3a-42ac-a105-288799367676/Muse%CC%81um_de_Nantes_-_006_-_Granite_%28varie%CC%81te%CC%81_Rapakivi%2C_Finlande%29.jpg All Episodes - 38: Hidden Gems - Make it stand out Pink granite https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9c25bad1-765c-4c81-9ecc-97696a6aa8af/Stone-soup-ii-pawn-nitichan.jpg All Episodes - 38: Hidden Gems - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4f8bd992-26bb-4b95-84e6-5a54dfd3485b/Narsaq_vue_ae%CC%81rienne.jpg All Episodes - 38: Hidden Gems - Make it stand out Narsaq, southern Greenland, the site of the Kvanefjeld rare earth element deposits and political controversy. NOT where our old rocks are this season. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/188da200-9326-455e-9646-3ac701b79bd3/Garnet._Granat%2C_spessartyn_-_Fujien%2C_Yun-Xiao%2C_Chiny_%28China%29.jpg All Episodes - 38: Hidden Gems - Make it stand out Garnets from Fujian, China. https://www.bedrockpodcast.com/all-episodes/episode-39 monthly 0.5 2025-07-16 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d14d37ad-498e-463b-b520-c3e12597d1ea/Tonalite_-_Helle_River_-_01.jpg All Episodes - 39: The Shattered Planet - Make it stand out A typical tonalite from Belgium. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/098740b6-cdcf-4262-b0c2-7f202736d807/Almandine_garnet_1.jpg All Episodes - 39: The Shattered Planet - Make it stand out A classic garnet, hoarder of heavy rare earth elements. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/55623408-3fbe-4c98-965a-82613b602636/Screen+Shot+2025-06-02+at+9.01.42+AM.png All Episodes - 39: The Shattered Planet - Make it stand out The Aleutian Islands, highlighted in pink, with Adak Island circled in white. The dark blue line beneath is a deep-sea trench, which feeds volcanic activity. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/58a25164-d64b-466b-ae2c-7f7fed9e8ff9/Subduction_Trench_Schematic.jpg All Episodes - 39: The Shattered Planet - Make it stand out Cross-section of a trench, with the buried plate fueling magma chambers and volcanos above. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/664e8a4b-7601-4539-b3fb-09f5303bd804/Venus_globe-1.jpg All Episodes - 39: The Shattered Planet - Make it stand out Venus, with the clouds removed https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0e871e13-12b0-4c99-8594-af0f2e4de861/2438_pioneer_venus_map_of_venus.jpg All Episodes - 39: The Shattered Planet - Make it stand out Elevation map of Venus (false-color). The large, high regions are called “terra”, like Ishtar Terra in the north, the size of Australia https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/99b1c621-6c11-494b-9b0a-18db928a00a0/Mantle_Plume.jpg All Episodes - 39: The Shattered Planet - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/fd43be2f-f858-43a6-aa10-b99ebc0f779d/Asymmetrical_ripples_on_sandstone_2.jpg All Episodes - 39: The Shattered Planet - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-40 monthly 0.5 2025-08-13 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/94de19dc-38d1-4c65-a952-27e59de8a3cf/Screen+Shot+2025-06-19+at+8.03.07+PM.png All Episodes - 40: The Time War - Make it stand out The island of Akilia. The oldest, contentious rocks are in the SW corner. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/89991c4b-c4db-4e83-a687-5d77c4665092/r238_111_790_939_w1080_h1620_fmax.jpg All Episodes - 40: The Time War - Make it stand out Allen Nutman, U of Wollongong, New South Wales https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/40dcc65a-5e57-4ab5-9717-fe04068600f4/Nordsim_090506_3_SW.jpg All Episodes - 40: The Time War - Make it stand out Martin Whitehouse, Nat. Museum of Sweden https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/97650b9f-6eae-4c7b-9d9f-192e02680af0/CRT_color_enhanced.png All Episodes - 40: The Time War - Make it stand out The inside of a CRT TV, with the inside of the screen on the right https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/135f60ac-412d-4717-8469-02b4a24a4d50/Screen+Shot+2025-06-19+at+9.05.30+PM.png All Episodes - 40: The Time War - Make it stand out Cross-sections of zircon crystals from Akilia Island, as viewed by CL scope. Note the older interior cores surrounded by newer rings. (from Whitehouse et al., 1999) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/6b58997c-8ff8-498f-b56d-c40335145560/maxresdefault.jpg All Episodes - 40: The Time War - Make it stand out Not a piece of granite, but you get the point. Source: r/ThrowItIntoLava https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/13afbba0-c609-4238-a9ab-591528228421/Screen+Shot+2025-06-19+at+9.22.04+PM.png All Episodes - 40: The Time War - Make it stand out Stephen Mojzsis, University of Colorado-Boulder https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/20e11833-8b5e-4692-8709-3a81c72c54df/640px-SaltInWaterSolutionLiquid.jpg All Episodes - 40: The Time War - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-41 monthly 0.5 2025-08-27 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7147cf41-7b62-4a15-9d49-51cb326223e2/View_from_Tele_Island%2C_Sisimiut%2C_Greenland_%2854066419327%29.jpg All Episodes - 41: The Oldest Seafloor - Make it stand out The Greenland shore https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b81afa91-8d78-415d-9e81-b4970a8d7711/Screen+Shot+2025-06-27+at+9.54.00+AM.png All Episodes - 41: The Oldest Seafloor - Make it stand out G91-26, the start of many, many debates https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1af2da38-d740-49cc-a182-18fad781cbfe/Metamorphic_Pressure_alignment-white.png All Episodes - 41: The Oldest Seafloor - Make it stand out How metamorphism aligns minerals https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b3ee8ce0-bd97-4287-b638-b6e6c515dbb3/Screen+Shot+2025-06-27+at+10.24.05+AM.png All Episodes - 41: The Oldest Seafloor - Make it stand out Figure from Nutman et al., 2002, in response to Fedo & Whitehouse 2002 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2b55154f-546f-4883-8080-8a50d94287de/Big_and_little_dog_1.jpg All Episodes - 41: The Oldest Seafloor - Make it stand out Two “isotopes” of dogs: a light Chihuahua and a heavy Great Dane https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4b54b9bd-054d-4073-8e26-6dc8a57d14ef/Geosphere_Fe_isotopes_variations.png All Episodes - 41: The Oldest Seafloor - Make it stand out Iron isotopes in different materials. Left is light, right is heavy. Note that banded iron formations cover a wide range. Today, we’re looking at heavy ones. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/14ff046b-007b-463b-bc2a-8c1d7e8e6759/2006_08_09_17_12_47.0010.jpg All Episodes - 41: The Oldest Seafloor - Make it stand out Iron-rich seafloor, modern Papua New Guinea, western Pacific Ocean https://www.bedrockpodcast.com/all-episodes/episode-42 monthly 0.5 2025-09-11 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7147cf41-7b62-4a15-9d49-51cb326223e2/View_from_Tele_Island%2C_Sisimiut%2C_Greenland_%2854066419327%29.jpg All Episodes - 42: The Question of Life - Make it stand out The Greenland shore https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7eb97a06-508a-4261-899d-98e7d0528070/Answer_to_Life_42.svg.png All Episodes - 42: The Question of Life - Make it stand out The answer to Life, the Universe, and Everything https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c0b5c3e5-4700-4373-8d27-4365bf7e3296/h4130214-800px-wm.jpg All Episodes - 42: The Question of Life - Make it stand out Stephen Mojzsis in 1997, shortly after his major Akilia paper (photo from Science Photo Library) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dffa4d3d-63f7-422c-bd42-303d386a2e3f/Apatite_crystal_anisotropy_01.jpg All Episodes - 42: The Question of Life - Make it stand out Apatite in its’ classic blue form, Irkutsk, Russia https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5d8249d6-d70e-43f0-932a-18181cb2e45e/Screen+Shot+2025-07-13+at+4.09.16+PM.png All Episodes - 42: The Question of Life - Make it stand out An apatite crystal from Akilia, surrounded by a dark envelope of graphite. Scale bar is 20 microns. (Mojzsis et al., 1996) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8aec5afe-41c5-4f64-8b17-503fb3dd51dd/Graphite-233436.jpg All Episodes - 42: The Question of Life - Make it stand out Graphite in mineral form https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/14ff046b-007b-463b-bc2a-8c1d7e8e6759/2006_08_09_17_12_47.0010.jpg All Episodes - 42: The Question of Life - Make it stand out A potential vision of the ancient Akilia seafloor (modern Papua New Guinea) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5d8249d6-d70e-43f0-932a-18181cb2e45e/Screen+Shot+2025-07-13+at+4.09.16+PM.png All Episodes - 42: The Question of Life - Make it stand out Apatite from Akilia island. The lines on the inside form as uranium decays and carves paths in the crystal. Cool stuff! (Mojzsis et al., 1996) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b08bacd4-50b2-4d23-b070-a196fcfac29f/Homemade_Confetti_Cake.jpg All Episodes - 42: The Question of Life - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-43 monthly 0.5 2025-09-24 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/dd1fc347-30e9-4b93-82ba-abad0d3cb6a1/Screen+Shot+2025-05-21+at+6.23.06+PM.png All Episodes - 43: Postcards From the Edge - Make it stand out A simplified map of the Itsaq Complex, modified from Nutman et al., 1993. The island of Akilia from Eps. 40-42 is in the lowermost red zone. The area of Isua is in the uppermost blue zone. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/4ff6ba29-9705-4d5f-b149-da0081cca0f1/rsbm20200016f03.jpg All Episodes - 43: Postcards From the Edge - Make it stand out Stephen Moorbath, admiring a 3.8 billion year old gneiss from Greenland. (Credit: The Royal Society) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8e4a25e6-fdb6-4a71-af21-2546fa6ad6b6/258610_web.jpg All Episodes - 43: Postcards From the Edge - Make it stand out The Isukasia region, now known as “Isua”. The iron mine visited by McGregor & Moorbath is between the glaciers in the distance. (From Eurekalert) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/41acf88b-1185-4dd5-9242-ce5060ccece2/Screen+Shot+2025-08-12+at+8.30.31+PM.png All Episodes - 43: Postcards From the Edge - Make it stand out The first map of the Isua region by Keto & Kurki 1967, modified by Nutman et al., 2019. The U-shape is what we’re interested in. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/89991c4b-c4db-4e83-a687-5d77c4665092/r238_111_790_939_w1080_h1620_fmax.jpg All Episodes - 43: Postcards From the Edge - Make it stand out Allen Nutman https://www.bedrockpodcast.com/all-episodes/episode-44 monthly 0.5 2025-10-08 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/de4892a7-b3e4-4156-a075-88d0199163c9/Screen+Shot+2025-08-27+at+10.18.23+AM.png All Episodes - 44: From the Abyss - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/99c9cc13-370b-48b3-8f07-c163fc502852/Earth_layers_NASA.png All Episodes - 44: From the Abyss - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e113eeb8-f96a-4754-8f4f-abc8fd43f5e7/Peridotite_xenoliths2.tif.jpg All Episodes - 44: From the Abyss - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ec018e7d-4d21-4ec1-a66f-23de06f18a40/640px-VolcanicPipe.jpg All Episodes - 44: From the Abyss - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b690148e-5ca9-410b-8cfb-b310544bb969/obduction-based-on-British-Geological-Survey-drawing.jpg All Episodes - 44: From the Abyss - Make it stand out Obduction can push mantle slivers onto land, while subduction makes trenches. Source: LibreTexts Geology of California, Ch. 11.2 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/54379833-83bb-42d0-a751-c5a524d74346/Screen+Shot+2025-08-27+at+10.32.56+AM.png All Episodes - 44: From the Abyss - Make it stand out Layered peridotite from northern Italy, Borghini et al., 2016, J. of Petrology https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0e72f60d-e17f-445b-82ea-5a70bdb3f6cf/Screen+Shot+2025-08-27+at+10.35.20+AM.png All Episodes - 44: From the Abyss - Make it stand out A peridotite exposure from Isua. Light gray are layered, near-surface deposits. Dark gray are abyssal peridotites. Friend et al., 2002. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/228cd0e0-2009-41bf-af3e-70aee89b6a71/Screen+Shot+2025-08-27+at+10.40.10+AM.png All Episodes - 44: From the Abyss - Make it stand out Clark Friend in Greenland. Source: Nutman 2014, Precambrian Research. https://www.bedrockpodcast.com/all-episodes/episode-43-nrfnr-xwya8 monthly 0.5 2025-11-05 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e2531699-f0a2-437b-b7e3-e590e5c34845/Screen+Shot+2025-09-10+at+11.38.32+PM.png All Episodes - 45: As Above, So Below - Make it stand out A peridotite from Isua, 3.7 billion years old. Not today’s location, and slightly younger, but close enough. From Nutman et al., 2021, Precambrian Research. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a6c8f3e4-2b66-40a9-9aa6-61a44c8b6ec9/Esquel.jpg All Episodes - 45: As Above, So Below - Make it stand out A polished pallasite meteorite, with mixed iron and olivine. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/83b8ab68-6860-4674-8852-525d0df7905e/Victorgoldschmidt0006MA8633570-0001.jpg All Episodes - 45: As Above, So Below - Make it stand out A young Victor Goldschmidt https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/096eeea5-5255-4879-9d2a-bbd906bd9338/Osmium_crystals.jpg All Episodes - 45: As Above, So Below - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1dd3715c-efe9-48ce-9d92-19038987a6a3/Blueberry_muffin%2C_wrapped.jpg All Episodes - 45: As Above, So Below - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b06c5372-cdae-4e23-824a-0b7d188b04e7/d41586-020-00605-4_17780660.png All Episodes - 45: As Above, So Below - Make it stand out A model of early mantle evolution. In stage two, later meteorites change the chemistry of the mantle, adding a “late veneer” of elements. https://www.bedrockpodcast.com/all-episodes/episode-46 monthly 0.5 2025-11-05 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/03b6bd4f-d5f6-4eec-9320-25ecdeffcdf0/Fuego_volcano_in_Guatemala.jpg All Episodes - 46: Rising From the Ashes - Make it stand out Fuego volcano, Guatemala. A “classic” volcano. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b8bcadab-db5a-4cce-9a8e-5ca4754ff9f2/fractional-melting-v2-scaled.jpg All Episodes - 46: Rising From the Ashes - Make it stand out A diagram of the partial melting process. “Wimpier” crystals melt first, forming separate lavas that form different rocks. Credit: Dexter Perkins, Open Petrology Book https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f060b0c2-e653-4d70-b1cc-8afd5c191f6f/Basalto_afanitico_e_quasi_afirico_per_i_rari_e_minuti_fenocristalli.jpg All Episodes - 46: Rising From the Ashes - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d14d37ad-498e-463b-b520-c3e12597d1ea/Tonalite_-_Helle_River_-_01.jpg All Episodes - 46: Rising From the Ashes - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e137e98a-1e67-4ab0-a832-e6c169ea51b6/PinkRhyolite.tif-1.jpg All Episodes - 46: Rising From the Ashes - Make it stand out Credit: Michael C. Rygel via Wikimedia Commons https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/058cd153-d9f1-4978-aaa6-3edd1d01ad7a/Pa%CC%84hoehoe_and_Aa_flows_at_Hawaii.jpg All Episodes - 46: Rising From the Ashes - Make it stand out A runny basalt lava flow, Hawaii https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/0cc1ac5e-ce1e-4de0-a570-187ffbcfaea6/Screen+Shot+2025-09-23+at+12.01.16+PM.png All Episodes - 46: Rising From the Ashes - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ad6a5be5-c3f4-49a5-a79d-1272939ad5c9/volcanic_ash.jpg All Episodes - 46: Rising From the Ashes - Make it stand out A piece of volcanic ash under the microscope, scale is 30 micrometers. Source: NASA https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e87fef52-c7f7-4d4f-a442-1b4d0e21cb40/Pyroclastic_flows_at_Mayon_Volcano.jpg All Episodes - 46: Rising From the Ashes - Make it stand out Mount Mayon eruption, Philippines, 1984 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/12e2159e-4da7-440d-b6ab-493e9f0ff130/Screen+Shot+2025-09-23+at+12.13.29+PM.png All Episodes - 46: Rising From the Ashes - Make it stand out Rhyolite layers, Isua, Greenland, 3.8 billion years ago. Source: Nutman et al., 2015: Precambrian Researcher https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d75279fe-ed53-43af-973b-76470d6ed60c/Volcanic_Ash_Dunes.jpg All Episodes - 46: Rising From the Ashes - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/episode-47 monthly 0.5 2025-12-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/de4892a7-b3e4-4156-a075-88d0199163c9/Screen+Shot+2025-08-27+at+10.18.23+AM.png All Episodes - 47: The Limestone Family - Make it stand out An Isua map. The Dividing Sedimentary Unit separates the lower blue/orange layers from the upper green layers. From Nutman et al 2022, Precam. Research https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/08cce2b0-d911-4b41-8b0d-194df86b5ca3/Identification_of_limestone_%28carboniferous_from_the_High_Karst_nappe%29_with_hydrochloric_acid.jpg All Episodes - 47: The Limestone Family - Make it stand out A classic piece of limestone, fizzing under acid. Credit: P. Cikovac https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/784cc52d-b608-4a0d-95f2-fcb7168f82d9/Limestone_pavement_-_geograph.org.uk_-_1469331.jpg All Episodes - 47: The Limestone Family - Make it stand out Limestone outcrops, Ireland https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/320a9cbc-74eb-434f-a11a-3d5a36c159f6/pexels-photo-7965896.jpg All Episodes - 47: The Limestone Family - Make it stand out Credit: Pexels https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/07dd779c-ea3a-42ac-a105-288799367676/Muse%CC%81um_de_Nantes_-_006_-_Granite_%28varie%CC%81te%CC%81_Rapakivi%2C_Finlande%29.jpg All Episodes - 47: The Limestone Family - Make it stand out Granite, made of smaller crystals of pink feldspar, gray quartz, and black biotite https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f4431c01-3b8f-4ade-822f-4e236cc5d9a5/Bonanza_King_dolomite.jpg All Episodes - 47: The Limestone Family - Make it stand out Dolomite, identical to limestone without further testing. California, USA. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c260408d-9a27-48ea-9efa-9aaf577ee250/npr.brightspotcdn.webp All Episodes - 47: The Limestone Family - Make it stand out Bradford Beach, Milwaukee, where I spend my early dolomite-smashing days as an undergrad student. Credit: Joy Powers, WUWM. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/31c4a4b6-1d29-4a9f-9785-c963c13f063a/640px-Dolomite_Eugui_MNHN_Mine%CC%81ralogie.jpg All Episodes - 47: The Limestone Family - Make it stand out Old dolomite crystals, Spain https://www.bedrockpodcast.com/all-episodes/episode-48 monthly 0.5 2025-12-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/f80b7e7b-0f4c-4240-b589-a25903d5cefc/Dolomite_rock_and_calsite.jpg All Episodes - 48: The Impossible Rock - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5db27731-c779-4fbb-9a82-78e4a416360f/Screen+Shot+2025-11-05+at+9.57.47+AM.png All Episodes - 48: The Impossible Rock - Make it stand out Atomic models of magnesium (Mg) and calcium (Ca) interacting with water molecules (the “Mickey Mouse” heads). Note how difficult it is to pull water off of magnesium compared with calcium! From Jahnen-Dechent & Kettler 2012, CKJ https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/286176cf-2923-4dfc-8df2-da6a1fc92632/Magnesium_sulfate_heptahydrate.jpg All Episodes - 48: The Impossible Rock - Make it stand out Epsom salt, or magnesium sulfate https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e2104da9-6219-43d4-b242-da8dcc4dcfee/Dvulgaris_micrograph.jpg All Episodes - 48: The Impossible Rock - Make it stand out A sulfate-reducing bacteria. Scale is half a micron. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/a20959e4-dc6e-4257-a339-7f92094e1629/Screen+Shot+2025-11-05+at+10.18.54+AM.png All Episodes - 48: The Impossible Rock - Make it stand out Sulfate-reducing bacteria colony in an Italian cave. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/653292b3-a1cb-4765-9587-2dcfa39a92f7/Screen+Shot+2025-10-06+at+7.38.50+PM.png All Episodes - 48: The Impossible Rock - Make it stand out Dolomite-rich layers, 3.75 billion years old, Isua, Greenland. From Nutman et al., 2010, Precambrian Research https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/952eab76-3c90-4dba-89c5-64155829aab1/Screen+Shot+2025-11-05+at+9.53.18+AM.png All Episodes - 48: The Impossible Rock - Make it stand out Models comparing calcite and dolomite crystals (modified from Land & Lyndon, 1982, AAPG Notes 24) https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/948cf0d7-1180-4202-b25a-90aad82cb0a5/3456790c3ac71f8c5.92208011-scaled.jpg All Episodes - 48: The Impossible Rock - Make it stand out Photo by Yam Chhetri. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/32896a25-d48e-445d-b569-fc4b8380aa27/Screen+Shot+2025-11-05+at+10.27.15+AM.png All Episodes - 48: The Impossible Rock - Make it stand out Model showing generations of dolomite growth over millions of years, replacing calcium (blue) with magnesium (orange). From Kim et al., 2023, Science. https://www.bedrockpodcast.com/all-episodes/episode-49 monthly 0.5 2026-02-03 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e747349e-0896-4b6b-a9f5-f4d479bb1e2e/Screen+Shot+2025-08-27+at+10.18.23+AM.png All Episodes - 49: The Fossil Quest - Make it stand out The Isua region, with Season 2 rocks in vivid colors. We’ll be looking at the green and pink rocks in the northern half, ~3.7 billion years old. Nutman et al., 2022, PCR. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/68c45e44-e8ad-4300-93f8-ba6230acdc01/Jaspilite_banded_iron_formation_%28BIF%29_%28Negaunee_Iron-Formation%2C_Paleoproterozoic%2C_1.874_or_2.11_G All Episodes - 49: The Fossil Quest - Make it stand out Banded iron formation, Negaunee, Michigan, USA. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5539b599-4e88-4019-b870-2b74048f20d8/Compost_stock_image_1.webp All Episodes - 49: The Fossil Quest - Make it stand out Compost: classic organic matter, biologically and agriculturally. The Tree Center. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/564251cb-776e-4495-80d6-edbc02e3deb2/Graphite-233436.jpg All Episodes - 49: The Fossil Quest - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e89715b3-8ca9-4cc6-93df-d566014010fc/Precambrian_4.43_Ga_-_0.85_Ga_microfossils.png All Episodes - 49: The Fossil Quest - Make it stand out Microfossil examples from many ancient rocks https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d048ac9f-8f2d-4843-a7f9-a0e6a45b748a/Cyanobacterial-algal_mat.jpg All Episodes - 49: The Fossil Quest - Make it stand out Top-down view of a microbial mat, ~1 meter wide, White Sea, Russia https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ce2c1603-9d88-4f36-b185-7578c1b114b3/Screen+Shot+2025-11-05+at+10.50.56+AM.png All Episodes - 49: The Fossil Quest - Make it stand out Stromatolite cross-section showing microbial layers over time, W. Australia. https://www.bedrockpodcast.com/all-episodes/episode-50 monthly 0.5 2025-12-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/65613f05-0a57-43fc-aa64-e26be20dc871/Tavurvur_volcano_edit.jpg All Episodes - 50: The Oldest Evidence for Life? - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/50b938f9-40a0-4de4-b855-f88a1bed6a1f/Graphite-233436.jpg All Episodes - 50: The Oldest Evidence for Life? - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b52a14f4-c9e5-424d-a570-936513aa893f/pict1.jpg All Episodes - 50: The Oldest Evidence for Life? - Make it stand out How organic material turns into graphite, from March & Griffiths 1982, Int’l Symposium on Carbon https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/004297eb-6ca7-4bc9-87a7-73dba3d77d93/Prof._Dr._Manfred_Schidlowski.jpg All Episodes - 50: The Oldest Evidence for Life? - Make it stand out Manfred Schidlowski, first to claim life in ancient Greenland. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/2a2d8b9c-1ca7-4162-a7f7-08c7ffa5d034/IMG_3774-cropped3.jpg All Episodes - 50: The Oldest Evidence for Life? - Make it stand out Mark van Zuilen, who questioned previous evidence for Greenland life https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7e10062c-7705-4a32-b154-d422364893f9/Screen+Shot+2025-12-17+at+11.33.46+AM.png All Episodes - 50: The Oldest Evidence for Life? - Make it stand out 3.7 billion-year-old Greenland rock with veins mimicking original layers, from Harding et al., 2025, Nat. Comms. Earth & Environment. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/3cc7d0f0-6ab7-4bb7-a04d-57c13ebf41df/Minik_Rosing.jpg All Episodes - 50: The Oldest Evidence for Life? - Make it stand out Minik Rosing, with perhaps the best evidence for Earth’s oldest fossils. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5fd1d8b6-f234-4b23-917d-a0f9fda422a0/Screen+Shot+2025-12-17+at+11.39.14+AM.png All Episodes - 50: The Oldest Evidence for Life? - Make it stand out Layers of seafloor 3.7 billion years old, with possibly Earth’s oldest fossils. Minik Rosing’s 1999 location, from Harding et al., 2024, Scient. Reports. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/ecb9d49c-9214-49ea-beba-099b0c55104f/Screen+Shot+2025-12-17+at+11.59.47+AM.png All Episodes - 50: The Oldest Evidence for Life? - Make it stand out Carbon isotopes in Minik’s and Manfred’s samples, modified from van Zuilen et al., 2002, Nature. Note how much closer Minik’s samples are to life. https://www.bedrockpodcast.com/all-episodes/episode-51 monthly 0.5 2025-12-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/458c8c44-08a0-47f5-ba5e-67380d3f87ff/Screen+Shot+2025-12-17+at+11.39.14+AM.png All Episodes - 51: The Latest News on the Oldest Life - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b95f9403-4fb7-4794-99fd-7e5c7c3be2f8/Ohtomo_photo.png All Episodes - 51: The Latest News on the Oldest Life - Make it stand out Yoko Ohtomo, a graphite guru https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/51f7a36c-be3a-4d29-ac7a-71d516a516e9/Screen+Shot+2025-12-17+at+12.21.38+PM.png All Episodes - 51: The Latest News on the Oldest Life - Make it stand out Graphite from different locations in Greenland. Left is “messy” irregular graphite from seafloors, possibly from fossils. Right: “ordered” vein graphite. From Ohtomo et al., 2014, Nature Geoscience. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/d66847c9-38a8-4920-a95b-6dfae475b0a1/Garnet._Granat%2C_spessartyn_-_Fujien%2C_Yun-Xiao%2C_Chiny_%28China%29.jpg All Episodes - 51: The Latest News on the Oldest Life - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1ec63f57-df60-4c40-a47d-08ccfdf593c9/Screen+Shot+2025-12-17+at+12.26.09+PM.png All Episodes - 51: The Latest News on the Oldest Life - Make it stand out A garnet that has “swallowed up” surrounding mud and dark graphite as it grew. From Hassenkam et al., 2017, Nature. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/06dbfcac-c554-43b7-8db7-f39e5e5d88e5/Atomic_force_microscope_block_diagram.svg.png All Episodes - 51: The Latest News on the Oldest Life - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/394bcaf3-f637-4288-92e2-6480e2a50471/Screen+Shot+2025-12-17+at+12.30.29+PM.png All Episodes - 51: The Latest News on the Oldest Life - Make it stand out A heat map of carbon-nitrogen bonds trapped inside a garnet “time capsule”, 3.7 billion years old. Hassenkam et al., 2017, Nature. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/c1e948e8-6c06-4aa5-b9c9-672e49535a75/Screen+Shot+2025-12-17+at+12.33.25+PM.png All Episodes - 51: The Latest News on the Oldest Life - Make it stand out Layers of graphite in the garnet crystal “time capsule” (grt) match the mud layers outside the garnet. Harding et al., 2025, Nat. Comms. Earth & Environ. https://www.bedrockpodcast.com/all-episodes/episode-53 monthly 0.5 2026-02-03 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e28c3f67-8965-4321-830b-7b50615b3ce7/Screen+Shot+2026-02-02+at+11.29.19+PM.png All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/58082613-ffb7-418a-a6fd-63ac27b34e68/Screen+Shot+2025-10-06+at+8.10.35+PM.png All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/bb88a951-7b3c-4667-a115-95e0abbf0ed9/Hard_Water_Calcification.jpg All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b005bab7-e19f-464b-83c6-fea756243717/Stromatolite_Fossil_from_Wyoming.jpg All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7b5fd24d-2698-4f01-aea7-bfd2444c2222/an-areal-view-seen-from-an-air-greenland-helicopter-a46de8-1024.jpg All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/1d984611-ce82-434a-a6b7-6fd0f8351a97/Screen+Shot+2026-02-02+at+11.46.14+PM.png All Episodes - 52: The Thing in the Ice - Make it stand out The old snowpatch site, now melted to show two potential fossil sites (A and B). From Nutman et al., 2016, Nature. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/9a8cb9b8-fa7f-4172-8489-de6ff05e5061/Screen+Shot+2026-02-02+at+11.49.01+PM.png All Episodes - 52: The Thing in the Ice - Make it stand out Boulder “A” from the image above, as seen on foot. Note the downward-pointing triangles in the middle gray layer. These are the possible stromatolites in question. If so, the rock has been flipped “upside-down”. The white cobble is roughly hand-sized. From van Kranendonk et al., 2025, Earth-Science Reviews. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/8d05bf66-2721-42c8-9b39-76f0b07d2f46/Screen+Shot+2026-02-02+at+11.52.54+PM.png All Episodes - 52: The Thing in the Ice - Make it stand out The picture that started the whole debate. This image is from the right side of Boulder A from the figure above, rotated 180 degrees. Nutman et al., 2016. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/e2e400db-9637-4da6-b399-cae7cfe269b0/FOR-WEB-1.jpg All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/b1b4b11c-2a42-4387-a487-3a8893268617/Screen+Shot+2026-02-03+at+12.02.53+AM.png All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/7444653f-02a9-4e70-90b0-5a06cb0aaa0c/Mike-Zawaski-photo11-300-300-c-L-97.jpg All Episodes - 52: The Thing in the Ice - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/all-episodes/category/atmosphere monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/sao+francisco monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/tonalite monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/isua monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/fossils monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/south+africa monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/garnet monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/space monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/interviews monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/ghana monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/aldan monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/russia monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/north+america monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/carbon monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/miniseries+oldest monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/dresser monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/south+america monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/north+china monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/hadean monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/geochronology monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/africa monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/west+africa monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/other+life monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/singhbhum monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/itsaq monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/origins+of+life monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/australia monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/antarctica monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/eras monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/amazon monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/moon monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/canadian+shield monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/canada monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/igneous monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/season+0 monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/ukraine monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/oceans monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/neoarchean monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/neoproterozoic monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/barberton monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/akilia monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/season+2 monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/brazil monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/pilbara monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/nwt monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/maybe+fossils monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/nonmarine monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/india monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/sun monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/gawler monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/interior monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/mesoproterozoic monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/western+australia monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/greenland monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/gold monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/slave monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/recaps monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/scandinavia monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/yilgarn monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/earth+formation monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/land monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/eoarchean monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/napier monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/kaapvaal monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/tectonics monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/europe monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/dharwar monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/sedimentary monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/zimbabwe monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/acasta monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/metamorphic monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/asia monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/stromatolites monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/mesoarchean monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/quebec monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/paleoarchean monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/superior monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/china monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/nuvvuagittuq monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/iron monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/jack+hills monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/economic monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/anabar monthly 0.5 https://www.bedrockpodcast.com/all-episodes/category/siberia monthly 0.5 https://www.bedrockpodcast.com/all-episodes/tag/new monthly 0.5 https://www.bedrockpodcast.com/home daily 1.0 2025-06-04 https://www.bedrockpodcast.com/about daily 0.75 2025-02-21 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5e923b0a-fbd1-42c4-a711-2464123d50ec/SPC+Small.jpg https://www.bedrockpodcast.com/seasons daily 0.75 2025-02-17 https://images.squarespace-cdn.com/content/v1/61e5370611275129bafec252/5af624ab-1067-45cc-a480-df5adea4f63b/Earth+Calendar+Episode+1.png Seasons - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.bedrockpodcast.com/donate daily 0.75 2022-01-21 https://www.bedrockpodcast.com/themes daily 0.75 2025-06-20 https://www.bedrockpodcast.com/audience-survey daily 0.75 2025-05-20 https://www.bedrockpodcast.com/tectonics-pages daily 0.75 2025-11-05