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Science

PlanetGeo: The Geology Podcast

by Chris and Jesse
Earth SciencesScienceNatural Sciences

Today: #192 in Science on our combined chart.

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DateCombined RankApple Podcasts
Oct 6#192#176

About the show

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!

Latest episodes

  • How to Identify a Mineral. Geology 101: Minerals Part 4

    September 24, 2026 · 30 min

    Chris's college mineralogy lab final was 20 specimens, and one of them was a quartz crystal his professor had dipped in graphite. The luster was off, the color was off, and Chris got it wrong even though every other property said quartz…

  • The Rock-Forming Minerals. Geology 101: Minerals Part 3

    September 17, 2026 · 26 min

    There are roughly 7,000 known minerals on Earth. You need to know about ten of them. In the third installment of the Camp Geo Intro to Minerals series, Chris and Jesse finish the minerals chapter by working through the rock-forming…

  • The Silicates. Geology 101: Minerals Part 2

    September 10, 2026 · 23 min

    Ask an intro geology class what the most abundant element in the crust is and, year after year, the answer comes back "carbon." It doesn't make the top eight. That gap between what feels right and what the planet is actually made of is…

  • What is a Mineral? Geology 101: Minerals Part 1

    September 3, 2026 · 25 min

    Ask a room full of intro geology students whether a snowflake is a mineral and almost every hand says no. Ask why, and someone will tell you it's because no two snowflakes are alike. Chris Bolhuis has been asking that question for 25 years…

  • Lithium 101 with Joe Lowry: Brines, Pegmatites, DLE, and the Smackover

    August 13, 2026 · 1 hr 29 min

    What happens when a finance guy who's never heard of lithium takes a job in a small North Carolina town because it's near where his favorite author lived?Joe Lowry is the founder of Global Lithium LLC, host of the Global Lithium Podcast…

  • How to Find Copper — Dr. Tim Ireland, First Quantum

    July 30, 2026 · 54 min

    There's a photo on Tim Ireland's Google Scholar profile of a toddler standing on the floor of an open pit gold mine in Australia's Northern Territory, wearing a hard hat and — because it was the early 1980s — flip flops. That toddler is…

  • The Rock 50 Light-Years Away

    July 16, 2026 · 57 min

    What if you could tell whether a rock exists on a planet 50 light-years away — without ever leaving Earth? This week Chris and Jesse welcome back friend-of-the-show Dr. Jackie Faherty (American Museum of Natural History) for her fourth…

  • The Room Problem (and how Geochronology solves it)

    July 2, 2026 · 55 min

    Granite is everywhere — it makes up much of the continental crust beneath our feet; yet, for over a century geologists were stuck on a deceptively simple question: where does all that magma find room? In this episode, Jesse and Dr. Mike…