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Artwork for PlanetGeo: The Geology Podcast

PlanetGeo: The Geology Podcast

Chris and Jesse
Geology
Geochronology
Long Valley Caldera
Geoscience
Climate Change
Grand Canyon
Granite
Plate Tectonics
Iceland
Earth's Oldest Rocks
Geoscience Education
Yellowstone National Park
Geochemistry
Bowen's Reaction Series
Glacier National Park
Sedimentary Rocks
Grand Teton National Park
Battle Of Gettysburg
Gettysburg
Metamorphic Rocks

A Geology and Earth Science Podcast. Join Chris, an award-winning geology teacher, and Jesse, a geoscience professor, in discussing the amazing features of our planet and their impact on your everyday life. No prior knowledge required. New episodes coming at you every week. Listen, subscribe, share with someone you know!

PublishesWeeklyEpisodes288Founded6 years ago
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ScienceEarth SciencesNatural Sciences

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Artwork for PlanetGeo: The Geology Podcast

Latest Episodes

This week we take on the FG test — the Fundamentals of Geology exam — the very first step on the road to becoming a professionally licensed geologist. Jesse just sat the exam this past fall (yes, a geology professor going back to take Geology 101), a... more

In this episode, we sit down with Dr. Mike Ackerson (Smithsonian) for the kick-off of a deep-dive series on granites and granitoids. This one goes into the weeds: the 250-year history of how arguing about granite shaped nearly every major idea in the... more

In this episode, we sat down with Keith Rapp, senior hydrogeologist, longtime volunteer with ASBOG (the Association of State Boards of Geology), and immediate past president of the organization. We dug into the professional geologist licensure proces... more

What distinguishes supervolcanoes from regular or non-super volcanoes? How many supervolcanoes are on Earth today? What are the precursors to supervolcano eruptions? In today's deep dive, Dr. Rachel Phillips, from GeoGirl, and I we got to talk to sup... more

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Recent Guests

Mike Ackerson
Dr. Ackerson, geoscience researcher
Unknown (guest)
Episode: Granite Wars: The Debates That Built a Science
Keith Rapp
Senior Hydrogeologist, former president of ASBOG
Association of State Boards of Geology (ASBOG)
Episode: The Geologist's License: How the FG and PG Exams Get Built — with Keith Rapp
Shan de Silva
Professor of Volcanology Emeritus, Oregon State University
Oregon State University
Episode: What Makes Supervolcanoes? With Professor Shan de Silva and Dr. Rachel Phillips
Christie Capper
Founder and CEO of Deep Earth
Deep Earth
Episode: Visualizing the Deep Earth - CEO and Founder Christie Capper
Danielle Bennett
Entrepreneur and expert in venture capital with a focus on geoscience applications
Deep Earth Tech
Episode: Geology Meets Deep Tech - Danielle Bennett
Dr. Jonathan Stock
Chief Scientist for Innovation at NASA Ames, focused on advancing technology in geoscience
NASA
Episode: Here Be Dragons - Exploring the Unknown with NASA Ames Chief Scientist for Innovation Dr. John Stock
Dr. Joshua Davies
Geoscience professor with expertise in banded iron formations
Episode: Banded Iron Formations - A Deep Dive
Doug Heller
CEO of Heller Hickox, experienced in energy finance and geosciences.
Heller Hickox
Episode: Rocks, Risks, and Riches: Strategies and Stories with CEO Doug Heller
Dr. Rachel Phillips
Geoscientist and popular science educator on YouTube
YouTube (GeoGirl)
Episode: The Moon-Forming Impact - Q&A with Dr. Rachel Phillips aka GeoGirl

Hosts

Joshua Davis
Host of Planet Geo, introducing and guiding the discussion
Jesse Remink
Host of Planet Geo, geoscience educator
Chris Dewitt
Co-host; geoscience educator

Reviews

4.9 out of 5 stars from 915 ratings
  • Going going gone

    Podcast Addict
    5
    maidinengland
    2 months ago
  • Annoying host

    The mix of topics is extremely interesting. But Jesse is horribly annoying. He has a habit of interrupting guests at the most inappropriate times. And his attempts at injecting humor with nervous, contrived laughter are excruciatingly cringeworthy. Find another host.

    Apple Podcasts
    2
    Curio Rowleyanus
    United States6 months ago
  • Amazing pod cast

    I am a geologist and I have binge listened to this podcast because Chris and Jesse have the ability to talk to the geologist as well as to the person that has very little knowledge of geology. This is something I will recommend to any one curious about how our planet works.

    Apple Podcasts
    5
    Matthew MJ Wilson
    United States8 months ago
  • The only geology podcast for me. This duo is great at taking you from a little understanding to a lot over the course of an episode or three. Guest interviews are one of the many highlights of this show for both the content of the conversations and the esteem of the guests.

    Podcast Addict
    5
    tehkurt
    9 months ago
  • Walking and learning.

    I enjoy listening to you guys during my walks. Thanks for doing your show!

    Apple Podcasts
    5
    TBCinTN
    United States10 months ago

Listeners Say

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

Listener feedback highlights educational value and podcast's ability to spark curiosity in geology.
The hosts have great chemistry and make geology accessible with entertaining banter.
Deep dives into technical topics are balanced with clear explanations for non-experts.

Chart Rankings

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

Talking Points

Recent interactions between the hosts and their guests.

Granite Wars: The Debates That Built a Science
Q: What ended the Neptunist era and solidified Plutonism as the prevailing view?
Observations of granite intrusions and cross-cutting relationships, notably Hutton's work at Glen Tilt, demonstrated that granites are magma intruding into other rocks, which undermined the idea that rocks precipitated from a global ocean, thereby ending Neptunism.
Geology Meets Deep Tech - Danielle Bennett
Q: How do you view geoscientists and their entrepreneurial spirit?
Danielle observes that geoscientists are typically friendly but also highly opinionated, which can be reflective of their dedication to excellence in the field.
Geology Meets Deep Tech - Danielle Bennett
Q: What got you into entrepreneurship or venture capital or funding?
Danielle credits her parents who were entrepreneurs and mentions her spontaneous involvement in starting a company while at college.
Banded Iron Formations - A Deep Dive
Q: Why don't we see banded iron formations forming today?
Banded iron formations do not form today because the oceans are oxidized; the conditions required for their formation—namely a reduced ocean and atmosphere—no longer exist on a global scale.
Banded Iron Formations - A Deep Dive
Q: What role do cyanobacteria play in the formation of BIFs?
Cyanobacteria are crucial as they produce oxygen through photosynthesis, which is essential for the oxidation of iron and subsequent deposition of BIF. However, they do not directly form the BIFs themselves but create the conditions necessary for their formation.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About PlanetGeo: The Geology Podcast

What is PlanetGeo: The Geology Podcast about and what kind of topics does it cover?

A geology-focused show that blends deep scientific discussion with accessible storytelling. Episodes cover a wide range of Earth science topics—from the history of mineral formation and tectonics debates to volcanology, biogeology, and subsurface visualization startups—often pairing seasoned educators with guest experts. It stands out for its hands-on field-context, approachable explanations, and exploratory conversations about how geoscience intersects with technology, industry, and society.

Listeners are likely drawn to rigorous yet entertaining geology content, with a preference for practical insights, real-world applications, and career-oriented discussions (licensing, entrepreneurship, and startup challenges). The mix of field anecdot... more

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Which podcasts are similar to PlanetGeo: The Geology Podcast?

These podcasts share a similar audience with PlanetGeo: The Geology Podcast:

1. Geology Bites
2. The Common Descent Podcast
3. The Supermassive Podcast
4. Terrible Lizards
5. The Science of Everything Podcast

How many episodes of PlanetGeo: The Geology Podcast are there?

PlanetGeo: The Geology Podcast launched 6 years ago and published 288 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 PlanetGeo: The Geology Podcast?

Recent guests on PlanetGeo: The Geology Podcast include:

1. Mike Ackerson
2. Keith Rapp
3. Shan de Silva
4. Christie Capper
5. Danielle Bennett
6. Dr. Jonathan Stock
7. Dr. Joshua Davies
8. Doug Heller

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