PlanetGeo: The Geology Podcast

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Here Be Dragons - Exploring the Unknown with NASA Ames Chief Scientist for Innovation Dr. John Stock

Season 6 · Episode 4

Thursday, February 12, 2026 • Duration 01:13:54

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 how cross-disciplinary collaborations could be the game-changers we need. Join us as we weave through tales of awe-inspiring geological discoveries and the frontier spirit that keeps the field exciting.

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

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Banded Iron Formations - A Deep Dive

Season 6 · Episode 3

Thursday, February 5, 2026 • Duration 54:06

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 presence on Earth. We touch on how BIF layers represent cycles influenced by Milankovitch cycles, and whether microbial activity plays a role in their formation. Josh explains that while BIFs peters out around 1.8 billion years ago, there are unique conditions and debates on secondary processes that impact our current understanding. We humorously explore modern analogs, like weird anoxic lakes, and laugh about how our Earth would need a huge meteorite impact to revert to BIF-forming conditions—a scenario we're not quite rooting for! Finally, we ponder the possibility of extraterrestrial BIFs, symbolizing our endless curiosity about space and deep time. This one’s a dense, iron-packed dive for sure—just like BIFs!

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

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The Length of Day 2.5 Billion Years Ago - BIFs, Milankovitch, and Geochron with Dr. Josh Davies

Season 5 · Episode 39

Thursday, November 13, 2025 • Duration 01:25:27

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, stick around to hear their field stories and the future of geochronology!

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

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Exploration and Mining Geology - Dr. Steph Mrozek

Season 4 · Episode 3

Thursday, February 1, 2024 • Duration 58:52

Join us as we interview Dr. Steph Mrozek. Steph is an economic geologist with interests in interests in skarn and porphyry deposits and geochemistry applied to mineral exploration. In our interview, the discussion turns to degrees in geoscience and educational pursuits. We’ve received a number of questions from listeners about what degree to pursue and how far to go. Steph offers unique perspectives on this topic that many of our listeners will find very useful.

Then our discussion turns to a niche geologic topic - Skarns. Jesse and I learned a ton. We (Jesse and I) have some personal experience with Skarn deposits, but Steph is the expert in the room for sure.

In the end, we have an in depth discussion about a career in exploration and mining geology. This episode has so much to offer. Listeners will learn about a topic that many aren’t familiar with and will also learn about the life and times of an exploration geologist. We know you will enjoy this episode.

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

The Epic Earthlings Grand Canyon Questions - Answered!

Season 4 · Episode 2

Thursday, January 25, 2024 • Duration 40:28

Join Chris and Jesse as we tackle questions about the Grand Canyon. A 4th grade class, Bronx Little School, reached out in a letter with a list of fantastic questions. We knew right away we wanted to make an episode about this. These questions, and our responses, provide a great introduction to the geology of The Grand Canyon. Below are the questions - asked and answered:
1. How deep is the Grand Canyon?
2- Why are the rocks orange, red, and black? How were the rocks made?
3- Why is the Grand Canyon so steep?
4- How old is each layer in the Grand Canyon?
5- They didn't ask this question, but Jesse and I couldn't resist. So we posed the question: How did the Grand Canyon get cut? Maybe one of these awesome students will find the answer.

We hope you all enjoy learning a little more about one of the Natural Wonders of the World. Cheers

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

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Cure the Winter Blues - Yosemite National Park (ReRelease)

Season 3 · Episode 51

Thursday, January 11, 2024 • Duration 49:27

We are on a break, but you can join us now on a virtual Summer Science Institute trip! Follow the virtual Mr. Bolhuis as we go on a geo-tour of many of the premier National Parks in the US.

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

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Cure the Winter Blues - The Grand Canyon (ReRelease)

Season 3 · Episode 50

Thursday, January 4, 2024 • Duration 40:14

We are happy to announce the release of our new Geology of the Grand Canyon book on the CampGeo mobile app - Download now to start listening!

We are on a break, but you can join us now on a virtual Summer Science Institute trip! Follow the virtual Mr. Bolhuis as we go on a geo-tour of many of the premier National Parks in the US.

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

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Cure the Winter Blues - Glacier National Park (ReRelease)

Season 3 · Episode 49

Thursday, December 28, 2023 • Duration 43:47

We are on a break, but you can join us now on a virtual Summer Science Institute trip! Follow the virtual Mr. Bolhuis as we go on a geo-tour of many of the premier National Parks in the US.

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

Read moreCollapse

Cure the Winter Blues - Yellowstone National Park (ReRelease)

Season 3 · Episode 48

Thursday, December 21, 2023 • Duration 45:34

We are on a break, but you can join us now on a virtual Summer Science Institute trip! Follow the virtual Mr. Bolhuis as we go on a geo-tour of many of the premier National Parks in the US.

Download the CampGeo app now at this link.

On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!

Like, Subscribe, and leave us a Rating!

——————————————————
Instagram: @planetgeocast
Twitter: @planetgeocast
Facebook: @planetgeocast
Support us: https://planetgeocast.com/support-us
Email: planetgeocast@gmail.com
Website: https://planetgeocast.com/

Read moreCollapse

PlanetGeo: The Geology Podcast – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

RSS feed quality and score

Publication history

Latest published episodes

Related Shows Based on Content Similarities

Apple Podcasts

Spotify

Related Shows Based on Content Similarities

PlanetGeo: The Geology Podcast – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

Other99+

Twitter5

Facebook2

RSS feed quality and score

Publication history

Latest published episodes

Similar podcasts and content

Related Shows Based on Content Similarities

Apple Podcasts

Spotify

Related Shows Based on Content Similarities

Other99+

Twitter5

Facebook2