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Artwork for Geology Bites: An Earth and Planetary Science Podcast

Geology Bites: An Earth and Planetary Science Podcast

Oliver Strimpel
Geology
Plate Tectonics
Cambrian Explosion
Subduction Zones
Biodiversity
Exoplanets
Macrostrat
Caledonian Orogeny
Geological Time Scale
Plutons
Golden Spikes
Sedimentary Rocks
Supercontinent Cycle
Banded Iron Formations
Mega Floods
Paleomagnetism
Earth's Water
Seismic Imaging
Magma
Macroevolution

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 t... more

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Artwork for Geology Bites: An Earth and Planetary Science Podcast

Latest Episodes

Tiny bubbles of air trapped in Antarctic ice are samples of the ancient atmosphere itself, one of the few direct records of how greenhouse gases and climate have changed together. Until recently, the oldest ice known was 2.7 million years old. Now re... more

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By the end of the 1960s, plate tectonics had been widely accepted, but it rested on an untested assumption: that the plates are strong enough to move as rigid slabs. Tony Watts describes how, as a postdoc at the Lamont-Doherty Earth Observatory in th... more

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Continental crust is buoyant, which is why continents stand high above the ocean floor. Yet rocks in western Norway contain microscopic grains of coesite, a form of quartz that forms only under pressures found about 100 km down. A slab of continent w... more

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Where tectonic plates collide, the result is clear: the edge of a plate crumples and throws up a mountain belt. But where a plate is stretched rather than squeezed, the evidence is usually lost, because the thinned lithosphere subsides and the basins... more

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Recent Guests

Tony Watts
Emeritus Professor of Marine Geology and Geophysics at the University of Oxford
University of Oxford
Episode: Tony Watts on the Mechanics of Tectonic Plates
Torgeir Andersen
Professor of Geology at the University of Oslo, expert on Western Gneiss Region UHPM rocks
University of Oslo
Episode: Torgeir Andersen on Ultrahigh-Pressure Metamorphism
Brian Wernicke
Emeritus professor, Caltech Division of Geological and Planetary Sciences
California Institute of Technology
Episode: Brian Wernicke on Lithospheric Extension and the Basin and Range Province
Bernhard Steinberger
Geophysicist at the German Centre for Geosciences in Potsdam
German Research Centre for Geosciences (GFZ)
Episode: Bernhard Steinberger on Whether Hotspots Are Fixed
Sonia Tikoo
Assistant Professor in the Department of Geophysics at Stanford University
Stanford University
Episode: Sonia Tikoo on the Moon's Magnetic Field
Steve Brusatte
Professor of Paleontology and Evolution at the University of Edinburgh
University of Edinburgh
Episode: Steve Brusatte on the Dinosaurs That Survived the Asteroid
Alec Brenner
Postdoctoral associate at Yale University researching Archean rocks with paleomagnetic and petrographic methods
Yale University
Episode: Alec Brenner on When Tectonic Plates First Moved
Steve Jacobsen
Mineralogist and material scientist, professor at University of Colorado Boulder
University of Colorado Boulder
Episode: Steve Jacobsen on Materials in Extreme Environments
Esther Sumner
Associate Professor of Geology and Geophysics at the University of Southampton
University of Southampton
Episode: Esther Sumner on Turbidity Currents

Host

Oliver Strimpel
Former astrophysicist and museum director

Reviews

4.8 out of 5 stars from 528 ratings
  • Pack your hand lens and head for the rocks.

    The casual visitor to this podcast will never look at a rock in the same way again.

    Apple Podcasts
    5
    reading_ulysses
    United Kingdom2 months ago
  • Fascinating

    Presented so experts or laymen can follow! interesting & relevant topic selection. Who knew rocks could be so interesting!

    Audible
    5
    Loujohn
    United States6 months ago
  • Very educational podcast

    I started reading Annals of a Former World by John McPhee and was inspired to learn more about geology. Geology Bites came highly recommended in my search for a suitable podcast. I agree with one of the other reviewers here that it sets the bar for science podcasts quite high. The website is a great companion to the podcast series and it adds a visual element that has ever so helpful. I adore the host. He is so intelligent and carries the conversation forward expertly. The guests are so informat... more

    Apple Podcasts
    5
    Dr Toxigon
    United States8 months ago
  • The bar is set for science podcast

    Excellent podcast. Great guests and topics, with a focused, academic style. May be somewhat technical for those who haven’t been received any education on geology, and I would count myself as such a person, but it left me wanting to study more and fill in the gaps.

    I listened through the whole run twice, I can say this of no other podcast

    Apple Podcasts
    5
    skooma889
    United States9 months ago
  • Highly engaging

    Geology Bites is outstanding. I often feel like I’m participating in the interview when Oliver Strimpel anticipates my next question. The guests are leaders in their field and Q articulate an interesting variety of geology- adjacent topics. A very good podcast.

    Apple Podcasts
    5
    Prsopect Farms
    United States10 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Website visuals and supporting materials are appreciated; one listener noted distracting mouth sounds in the audio.
Listeners praise the host's calm, perceptive interviewing and ability to clarify complex scientific ideas.
Guests are described as knowledgeable, articulate researchers who bring strong subject expertise and enthusiasm.
Many find the technical material accessible without being simplified, though it may be demanding for newcomers.
The content is valued for its academic depth, focused conversations and wide range of Earth and planetary science topics.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

Tony Watts on the Mechanics of Tectonic Plates
Q: How did that affect people's estimates of sea level rise and fall?
Sediment loading and changing lithospheric rigidity can create coastal onlap patterns like those used to infer sea-level rise, making it difficult to separate tectonic flexure from actual sea-level change.
Tony Watts on the Mechanics of Tectonic Plates
Q: How did you come up with the idea of using an engineer's equation to apply it to something that was so different from the kind of elastic rod that they had initially thought about?
Watts was prompted by research on a seafloor bulge near the Kuril Trench and a major compressional earthquake. He used gravity data to test a model applying engineering equations for a loaded, bending plate.
Torgeir Andersen on Ultrahigh-Pressure Metamorphism
Q: How does the subduction history explain the presence of UHPM rocks in Norway?
Rocks were subducted with a thick oceanic slab attached to continental crust, reaching mantle depths, and then exhumed along detachments as the slab broke off and buoyant crust rose back toward the surface.
Torgeir Andersen on Ultrahigh-Pressure Metamorphism
Q: What confirms that coesite and diamond truly formed at ultra-high pressures rather than being later additions?
Raman spectroscopy is used to check bond lengths, and the presence of back-reaction features like radial cracks helps indicate high-pressure formation, supported by pressure-temperature equilibria analyses.
Torgeir Andersen on Ultrahigh-Pressure Metamorphism
Q: Why did it take so long to identify coesite and other ultra-high-pressure minerals in Western Norway?
Because these minerals are tiny inclusions inside other minerals and can back react during decompression, making them easy to miss without careful mineral studies and Raman spectroscopy.

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Frequently Asked Questions About This Podcast

What is This Podcast about and what kind of topics does it cover?

Earth and planetary science researchers explain how geological processes work and how scientists investigate them. Hosted by Oliver Strimpel, a former astrophysicist and museum director, the series uses focused interviews to connect field observations, laboratory experiments and scientific models with questions about the history and behavior of Earth and other worlds. Topics range from plate tectonics, earthquakes, volcanoes and ancient environments to planetary magnetism, asteroid missions and the conditions that may support life. Guests are typically leading researchers who describe their own work, the evidence behind it and the questions that remain open. The conversations are technically detailed but carefully explained, making the seri... more

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These podcasts share a similar audience with this podcast:

1. PlanetGeo: The Geology Podcast
2. The Common Descent Podcast
3. Origin Stories
4. Terrible Lizards
5. I Know Dino: The Big Dinosaur Podcast

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this podcast launched 6 years ago and published 130 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on this podcast?

Recent guests on this podcast include:

1. Tony Watts
2. Torgeir Andersen
3. Brian Wernicke
4. Bernhard Steinberger
5. Sonia Tikoo
6. Steve Brusatte
7. Alec Brenner
8. Steve Jacobsen

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