Earth's Oldest Stuff

Earth's Oldest Stuff

Today, Chris and Jesse get into a discussion about Earth’s oldest material. Earth is 4.568 Billion years old. First of all, that’s amazing the geochronologists have refined this down to 3 decimal places. How do we know this? The oldest grains ever found are 4.38 billion years old. If that’s the case, then how do we know the Earth is significantly older than that? Join us as we answer that and many other important questions about Earth’s oldest stuff. ...

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Episoder(291)

The Rock 50 Light-Years Away

The Rock 50 Light-Years Away

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...

16 Jul 56min

The Room Problem (and how Geochronology solves it)

The Room Problem (and how Geochronology solves it)

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?...

2 Jul 54min

Rocks for the Future - with MIT Prof. Oli Jagoutz

Rocks for the Future - with MIT Prof. Oli Jagoutz

What does cracking open green-shiny rocks in a German preschool have to do with feeding eight billion people without oil and gas? In this episode, we sit down with Prof. Oli Jagoutz, professor at MIT ...

11 Jun 44min

The Fundamentals of Geology (Exam)

The Fundamentals of Geology (Exam)

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 ge...

28 Mai 41min

Granite Wars: The Debates That Built a Science

Granite Wars: The Debates That Built a Science

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 a...

21 Mai 59min

The Geologist's License: How the FG and PG Exams Get Built — with Keith Rapp

The Geologist's License: How the FG and PG Exams Get Built — with Keith Rapp

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 du...

30 Apr 1h 3min

What Makes Supervolcanoes? With Professor Shan de Silva and Dr. Rachel Phillips

What Makes Supervolcanoes? With Professor Shan de Silva and Dr. Rachel Phillips

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 P...

16 Apr 50min

Eating Rocks For Breakfast

Eating Rocks For Breakfast

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 geolog...

2 Apr 36min

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