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This episode is Part 2 of our Mammoth Cave series - where we discuss the geological setup that enabled creation of the longest cave system in the world.
The geology of the region, including the Green River, set the stage for the formation of Mammoth Cave, the largest cave system that has been mapped.
Stay tuned for our third installment on Mammoth Cave, where we discuss the cave 'decorations' or mineral formations.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!
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This is the first episode in a series of 3 on the world's longest cave system - Mammoth Cave in Kentucky. In this episode, Chris and Jesse talk a little about Mammoth and some of its impressive statistics. The focus however, is more about the necessary ingredients for cave development in general. We talk about the 4 general ingredients: suitable rock type, a solvent, hydraulic gradient, and time. We also go into some detail on what each of these really mean. We hope you enjoy. In the next episode in this series, we'll talk about Mammoth specifics.
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!
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In this episode, Jesse and Chris talk about the geology of Iceland - although we keep it at a high level. We're going to come back to this - Iceland - later after Chris returns from his trip. Then, we'll get into some of detail that makes Iceland so unique. Here, we discuss how Iceland might be a prototype for the formation of continents and also talk a bit about the diversity of igneous rocks that make up the Island. The diversity of rocks speaks to the diversity of volcanic activity. We finish up the episode with a short discussion about what Chris is most looking forward to and how the planning is going. We hope you enjoy.
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Hardpan! Where did this idea for an episode come from? Chris has been doing a ton of yard work lately and itβs not uncommon come across a layer when digging a hole that is next to impossible to penetrate. He has to bust out my pick axe to get through it. It's Called Hardpan.
Really dense layer that often occurs below the topsoil. Problems:Roots canβt penetrate into the hardpan (Hayden Valley in YNP). Trees are easily blown over if they can even grow here.Water canβt penetrate so the soil layer above is easily saturated.Safe to say that farmers and gardeners generally donβt like it.Can even cause drainfield failure - creates an impervious layerThese are just a couple of problems - there are more.In this episode, Chris and Jesse do a deep dive into the geology of hardpan. We hope you enjoy.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!
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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!
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Today we really go into the weeds.
Jesse and a colleague just published a paper in the journal Nature that proposes a new model for how continents became stable. Stable continents have all the granite at the surface, which contains all the heat producing elements like U and Th and K - elements that decay away.
Today, we discuss that paper in detail, and along the way learn a bit about the early Earth, what we know and don't know!
Here is a link to the paper, which is open access and can be downloaded by anyone without paying.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!
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Today, Chris and Jesse get into a discussion about Earthβs oldest material. Earth is 4.568 Billion years old. First of all, thatβs 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 thatβs 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 Earthβs oldest stuff.
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On the app you can get tons of free content, exclusive images, and access to our Geology of National Parks series.
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In this episode, we tackle a listener question regarding planning a geology trip for students. Both Chris and Jesse have quite a bit of experience in planning and executing field excursions for students. We believe that seeing geology in the field is one of the most powerful learning opportunities for students of all levels. In our discussion, we talk about the difficulties in convincing the higher-ups that this is actually a good idea. We also get into some of the struggles in finding excellent teacher resources. In the end, we get a little philosophical on the importance of getting comfortable with not having all of the answers. We think that sometimes it's important for students to know that instructors don't know it all and together we can perhaps think about things different and come to new conclusions. We hope you enjoy.
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!
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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!
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Join us as we have the honor of interviewing Dr. John Douglas. Jesse and Chris have been following his research on how the Grand Canyon was actually formed for some time. We have recently finished our audio-visual book on the Grand Canyon (Link above) and we have a chapter dedicated to the actual cutting of the Canyon. The answer to this question has been elusive, but there are a few leading theories. John has been leading the way on the Spillover Theory as a mechanism for carving the young Canyon. It's a great geologic discussion and we hope you enjoy.
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!
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The idea for this episode came from the comment section of a social media post. It has it's roots in one of the biggest misconceptions in Geology and also Geochronology. The comment was about radio-carbon dating and how it's been "proven" to be unreliable. In this episode, Jesse and Chris have a discussion about the "toolbox" for geochronoligists and we also spend a lot of time talking about Uranium to Lead decay. We hope you enjoy.
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!
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In charge of the Nations Rock Collection. That's a pretty sweet job description. Join us as we have the honor of interviewing Dr. Mike Ackerson. In this episode, we certainly get into some detail about igneous petrology. Mike and Jesse are good friends and have spent some time discussing things that introductory geology classes take for granted. For instance, there are some questions on the formation of granite. This might seem ridiculous because this topic is covered in any intro level geology class, but there are some problems.
We also talk philosophically about geoscience education and scientific research. In all, this discussion spans too many areas to summarize here. We hope you enjoy!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!
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Today, Jesse and Chris discuss the geology of Nickel - The Devilβs Metal. Surprisingly, Earthβs core has a high percentage of Nickel - 10 to 20% of the core is nickel. We allow ourselves the luxury of getting into the details on nickel and why the core has so much. Of all the metals weβve discussed on the podcast, the geology of nickel is the most complicated. In addition to discussing the geologic settings that form or concentrate nickel, we also spend some time discussing the history and uses. We hope you enjoy the discussion.
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!
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Today, we have the another great interview - Dr. Anji Shah. She works for the USGS and has done a lot of work on heavy-mineral sands and critical elements. In this discussion, we talk about the paleo-environment that could concentrate critical minerals in heavy sands. Dr. Shah also tells us how "airborn geophysics" is important in looking for mineral deposits over huge areas that are often canopy covered. We hope you enjoy!
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!
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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!
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In this episode, Jesse and Chris discuss the geology of asbestos. Really, we cover all things related - history, past uses (some of which are mind boggling), health issues, and of course the mineralogy. If you want the datail, this episode is for you. Jesse goes off the deep end a little as he nerds out on some geochemistry. We hope you enjoy.
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!
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Dr. Adam Simon joins PlanetGeo to discuss many topics. One of the most interesting topics of discussion is the copper dilemma facing the world. If we want to transition to green energy like Electric Vehicles, we will face a shortage of copper. Dr. Simon describes Copper as the artery of a green transition. However, he's done the math and it doesn't add up. There isn't enough to make the transition. We hope you enjoy this extremely informative and entertaining interview.
Download the CampGeo app now at this link.
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You can also learn the basics of geology at the college level in our FREE CampGeo content series - get learning now!
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Today, Chris and Jesse once again revisit the topic of Bowen's Reaction Series. We've never approached the topic in such a before. The heart of our discussion centers around 1- What is Bowen's Reaction Series? and 2- How do we approach this highly idealized concept in an introductory class. How rocks really crystallize in a geologic setting is far more complex than Bowen's Reaction Series. This can lead to confusion when students progress in their geologic studies when they learn that Bowen's is the whole story (or even the correct story). We hope you enjoy this technical and philosophical discussion.
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!
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