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PODCAST

PlanetGeo: The Geology Podcast

Chris and Jesse

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!

science earth sciences

All Episodes

41:23

The Anatomy of Mountain Ranges

PlanetGeo: The Geology Podcast ·

2026/02/26

Chris is back!! Today we answer the simple question - Why do we see a predictable geologic and topographic progression as we drive from flat plains into mountains? We use examples from Michigan to Tennessee, the Canadian Rockies, Glacier, the Bighorns, Colorado, and the Appalachians to walk through a common sequence: we start on broad areas of mostly flat-lying sedimentary rocks (sandstones, shales, limestones) deposited in shallow seas, rivers, intertidal settings, and deserts; a...

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57:43

Geology Meets Deep Tech - Danielle Bennett

PlanetGeo: The Geology Podcast ·

2026/02/19

On this episode of Planet Geo, we welcome Danielle Bennett—a startup operator with a venture capital background (and not a geoscientist by training) who’s been talking with tons of geologists, hydrogeologists, and engineers while helping build a geoscience-adjacent mapping company at Deep Earth Tech. Danielle shares how growing up with entrepreneur parents (who ran a groundwater-focused engineering firm) shaped her path, why she started a social-impact company in college, and how she moved fr...

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73:54

Here Be Dragons - Exploring the Unknown with NASA...

PlanetGeo: The Geology Podcast ·

2026/02/12

In this riveting episode, we catch up with Dr. Jonathan Stock, Chief Scientist for Innovation at NASA's Intelligent Systems Division. We dive deep into the realms of geosciences and discuss how innovation can transform our understanding of the Earth and beyond. From quantum gravity gradiometers to AI-driven geophysical mapping, Dr. Stock reveals the tech that could redefine geospatial exploration. We also ponder why geosciences lag behind other fields in entrepreneurship and innovation and ho...

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54:06

Banded Iron Formations - A Deep Dive

PlanetGeo: The Geology Podcast ·

2026/02/05

In this episode, we bring you a riveting Q&A session with GeoGirl Dr. Rachel Phillips and Dr. Joshua Davies, both experts in geology who explore the mysterious world of banded iron formations (BIFs). We dive deep into what BIFs are, when they formed, and their significance. Josh unpacks the debated origins of these rocks, discussing how they may be the most hotly contested rocks in the geological world due to our limited understanding of their formation process, despite their voluminous p...

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56:55

Venezuela’s Black Gold

PlanetGeo: The Geology Podcast ·

2026/01/22

In this episode, we are kicking off a new series on Geology News. We delve into why Venezuela is rich in oil, the complex tectonic interactions, and the geological formations that make it a hotspot for heavy, sour crude oil. We also take a humorous stroll down memory lane, reminiscing about our hard rock geology days and the unintuitive yet captivating world of sedimentary rocks. Join us as we explore why Venezuelan oil isn't just black gold but a treasure trove of geological intrigue. ...

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56:34

Rocks, Risks, and Riches: Strategies and Stories with...

PlanetGeo: The Geology Podcast ·

2026/01/15

To kick off Season 6 of the Planet Geo Podcast, we invited Doug Heller, a Penn State alum and geoscience finance guru, to explore investment risk in the geosciences. Doug shares thrilling stories about turning modest funds into substantial investments and offers invaluable advice for budding geologists and students. The episode delves into Doug's journey from exploring oil in the Gulf of Mexico to managing a complex bankruptcy case, and running Sun Specialty Products. Doug sheds l...

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30:51

Petrification - Rerelease

PlanetGeo: The Geology Podcast ·

2026/01/08

In this episode of Planet Geo, we dive deep into the fascinating phenomenon of petrification as we wrap up our season five re-release holiday series. From the beauty of petrified wood to its rare yet awe-inspiring occurrence, we explore how this natural wonder forms. We also tease exciting updates for season six, including segments with Dr. Rachel Phillips and interviews with top geoscientists. Strap in geologists and rock enthusiasts, because we're about to make some solid gains in your unde...

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32:29

How to Identify Rocks - Rerelease

PlanetGeo: The Geology Podcast ·

2026/01/01

Welcome back to Planet Geo, the podcast where we delve into the wonders of our planet's geology, how it works, and why it matters. In this episode, part three of our holiday re-release series, we’re breaking down the basics of rock identification and collection techniques. Chris and I tackle the popular question: how do you identify rocks? We provide a general strategy perfect for budding rock hounds and outdoor enthusiasts. Plus, stay tuned for new episodes and exciting modifications coming ...

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36:02

Rockhounding 101 (ReRelease)

PlanetGeo: The Geology Podcast ·

2025/12/18

In this episode, we dive into the thrilling hobby of rock hounding, sharing our personal adventures and offering a Rocks and Minerals holiday re-release theme. We'll guide you through the basics of rock hounding, including crucial tips, resources, and a few funny anecdotes about our own experiences in gravel pits, quarries, and even snake-infested areas. Also, don't forget to follow us on social media, download the Camp Geo mobile app, and give us your feedback as we transition into the new y...

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49:12

The Moon-Forming Impact - Q&A with Dr. Rachel...

PlanetGeo: The Geology Podcast ·

2025/12/11

In this episode, we're back with the fabulous Dr. Rachel Phillips, also known as Geo Girl on YouTube, diving into part two of our intriguing Q&A session. This time, we cover listener questions about early Earth geology, the moon-forming impact, geochemistry, and much more. Spoiler alert: we journey into the cosmic and tectonic weeds, so grab your scientific hats as we ponder if the moon-forming whammy kickstarted plate tectonics and its broader implications on our planet! The center of ou...

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64:48

Whence Plate Tectonics? Q&A with Dr. Rachel Phillips...

PlanetGeo: The Geology Podcast ·

2025/12/04

Jesse joins forces with Dr. Rachel Phillips, AKA Geo Girl, to tackle viewer questions about Earth's oldest rocks. We cover a wide range of topics, from how Earth's age is calculated using meteorites to the intriguing details of zircon dating. We also discuss the beginnings of plate tectonics, early continents, and the much-debated timeline of Earth's geological history. This in-depth discussion is packed with scientific insights, humorous quips, and plenty of geologic puns to keep you enterta...

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34:36

Rocks and Rules, Putting Things in Order (Re-Release #1)

PlanetGeo: The Geology Podcast ·

2025/11/20

In this episode of Planet Geo, we share some exciting updates as Chris steps back a bit. Don’t worry; Chris will still join us regularly, but you'll also be hearing more often from fantastic guests like Dr. Rachel Phillips, Dr. Mike Ackerson, and Dr. Josh Davies. We’re diving deep into the geoscience topics we all love and bringing you insightful interviews with geoscience leaders. We’re also eager to hear your feedback, so please reach out on our social media or website with your thoughts on...

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85:27

The Length of Day 2.5 Billion Years Ago - BIFs,...

PlanetGeo: The Geology Podcast ·

2025/11/13

Join us as we dive into an awe-inspiring chat with Dr. Josh Davies – an expert in high-precision geochronology! Josh and Jesse go way back to their University of Alberta days, and in this episode, they unravel a groundbreaking project involving banded iron formations. Together, they explore how these ancient rocks bring to light the Earth's history, dating back 2.5 billion years. Discover how the research reveals the Moon-Earth distance and the length of days billions of years ago. Plus, stic...

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38:17

What is a Continent? Part 1 - The Composition

PlanetGeo: The Geology Podcast ·

2025/11/06

In this episode, we dive deep into the composition and formation of the continental crust! We explore the tough questions about what makes up our continents, debunking some rudimentary class teachings and revealing the misunderstandings in our current knowledge! But don't worry—it’s not all sedimentary! We also ponder the role of basalt and Granite, the conundrum of exhumed terrain, and even how we get our data from the deepest boreholes. Plus, they touch on the notion that water might just b...

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57:49

Stories in Stone - with David Williams

PlanetGeo: The Geology Podcast ·

2025/10/30

Ready to rock your buildings with some fascinating geology tales? Join us as we chat with the amazing David B. Williams, author of 'Stories in Stone.' David shares his insights on the hidden geological marvels in urban landscapes and the history behind some iconic building stones. From Seattle's local quarries to Chicago's memorable marbles, this episode is a treasure trove of stone-cold facts! Dive in for a journey that melds earth science and architectural history in the most intriguing way...

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39:04

From Rifts To Rifles - The Regional Geology of the...

PlanetGeo: The Geology Podcast ·

2025/10/23

Join us in this action-packed final episode of our Gettysburg series as we uncover the rock-solid weathering patterns that shaped one of the most famous battles in history! Standing on the historic battleground, you'll see how two supercontinent formation and breakup events have influenced the topography and geology of Gettysburg. Discover the impact of weathering and time on the eastern U.S landscape, and how these factors played a crucial role in the outcome of the Battle of Gettysburg. Fro...

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48:47

Flash Floods

PlanetGeo: The Geology Podcast ·

2025/10/16

Join us for a deep dive into the world of flash floods in this exciting episode! Navigate the rapid waters of this intense topic with Chris and Jesse, as we unravel the captivating geoscience behind these dramatic events. From the devastating impacts of flash floods to the intricate balance of soil, vegetation, and slope, we leave no stone unturned. Discover how human activities and climate change are setting the stage for more frequent flash floods and learn the innovative engineering ...

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33:55

Calderas and Confederates - The Geology of South...

PlanetGeo: The Geology Podcast ·

2025/10/09

In this action-packed episode of our Gettysburg Geology series, we dig deep into the dynamic geological history of South Mountain. Discover how this towering terrain played a pivotal role in the Battle of Gettysburg, from offering a sneaky passage for the Confederates to serving as a dramatic retreat route. We explore the fascinating world of faults, folds, and the incredible rocks that shape this region. From ancient basalt and rhyolite to the rugged sandstones that make up many of the highe...

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38:56

Eruptions and Extinctions - The Geology of the...

PlanetGeo: The Geology Podcast ·

2025/10/02

In this episode of our visual podcast series, journey back to the battlefields of Gettysburg to unearth the geological forces that played a pivotal role in history. Dive deep with Herr Professor Dr. Reimink and Chris Bolhuis as they explore the York Haven Sill and Rossville Dykes, parts of the massive Central Atlantic Magmatic Province (CAMP). Discover how these ancient volcanic events potentially triggered the end-Triassic mass extinction. Packed with juicy geochronology details, this episod...

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31:04

Capitol Curiosities - Fanglomerate and the Gettysburg...

PlanetGeo: The Geology Podcast ·

2025/09/25

Join us on a rockin' journey as we explore the fascinating tale of Potomac Marble and its role in rebuilding the US Capitol after the War of 1812. From the emotional experience of visiting ancient quarry sites to the intricate details of fanglomerates and alluvial fans, we uncover the geology behind this historically significant stone. Whether you're a rock enthusiast or just love a good story, this episode has something for you. Don't miss out on learning how Leesburg Fanglomerate shaped Ame...

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284 results

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