{"podcast":{"title":"Geology Bites","slug":"geology-bites-159592","podcast_index_feed_id":159592,"rss_url":"https://anchor.fm/s/80e7bb4/podcast/rss","website_url":"https://geologybites.com","image_url":"https://d3t3ozftmdmh3i.cloudfront.net/production/podcast_uploaded_nologo/1251669/1251669-1597872787130-25ab668091ab3.jpg","author":"Oliver Strimpel","episode_count":125,"summary":"What moves the continents, creates mountains, swallows up the sea floor, makes volcanoes erupt, triggers earthquakes, and imprints ancient climates into the rocks? Oliver Strimpel, a former astrophysicist and museum director asks leading Earth science researchers to divulge what they have discovered and how they did it. To learn more about the series, and see images that support the podcasts, go to geologybites.com. Instagram: @GeologyBites Bluesky: GeologyBites X: @geology_bites Email: geologybitespodcast@gmail.com","last_synced_at":"2026-06-28T14:18:25.240116+00:00","page_url":"https://stenobird.com/podcast/geology-bites-159592"},"episode":{"title":"Alec Brenner on When Tectonic Plates First Moved","slug":"alec-brenner-on-when-tectonic-plates-first-moved","published_at":"2026-04-30T14:06:42+00:00","page_url":"https://stenobird.com/podcast/geology-bites-159592/alec-brenner-on-when-tectonic-plates-first-moved","show_page_url":"https://stenobird.com/podcast/geology-bites-159592","url":"https://podcasters.spotify.com/pod/show/geologybites/episodes/Alec-Brenner-on-When-Tectonic-Plates-First-Moved-e3imrl6","audio_url":"https://anchor.fm/s/80e7bb4/podcast/play/119286886/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-3-30%2F82cf6431-604c-c91d-a423-6a50491aab5d.mp3","summary":"A key development in the history of the early Earth is the formation of lithospheric plates that move independently of one another. In this episode, Brenner describes how he used paleomagnetic methods to detect relative motion between two ancient cratons, the East Pilbara and the Kaapvaal, 3.5 billion years ago. This is a full billion years earlier than any previous such detection, and it enables us to narrow down the kind of tectonics operating in the Paleoarchean. Of the candidate regimes, episodic subduction models fit his data best. Brenner is a Postdoctoral Associate in the Department of Earth & Planetary Science at Yale University.","meta_description":"A key development in the history of the early Earth is the formation of lithospheric plates that move independently of one another. In this episode, Brenn…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1735,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/geology-bites-159592/episodes/alec-brenner-on-when-tectonic-plates-first-moved/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/geology-bites-159592/alec-brenner-on-when-tectonic-plates-first-moved.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}