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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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...
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...
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...
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...
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...
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...
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...
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 ...
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...
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...
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...
Join Chris and Jesse as they dive deep into your rock-solid questions! From magnetic sands on Lake Michigan's dunes to the ancient mysteries of plate tectonics, nowhere on Earth (or beyond) is safe from their geological curiosity. Ever wondered who names minerals or how to remember those complicated mineral formula? Tune in to this special listener Q&A episode to unearth some epic answers! Plus, find out what really rocks Dr. Reimink's boat. Don't miss it! Download the CampGeo...
Join us for a rockin' episode where we dive into the explosive world of Yellowstone’s hydrothermal activity! Chris and Jesse chat about the intriguing 'Sasquatch eruptions'—no, not Bigfoot, but sudden hydrothermal explosions that have scientists buzzing. From close encounters with geysers to the epic history behind Black Diamond Pool, we break down the steamy details. We even touch on the purported stories of animals 'fleeing' the park and what it really means. Plus, citizen scientists play a...
Get ready to dig deep into geology with the one and only Dr. Philip Prince! Join su as we rock out with discussions on the game-changing one-meter resolution lidar, geomorphology, landslides, and the captivating landscapes of the Appalachians. Learn about Philip's aha moments in geology, his journey from a trout fishing enthusiast to a top-notch geomorphologist, and the incredible insights revealed by lidar technology. Plus, discover some fascinating lesser-known geological mysteries - all se...
In this exciting episode of our series on Gettysburg's geology, we dive deep into the Gettysburg Basin to uncover how the rocks beneath the famous battlefield shaped the events of history. From the famous McPherson's Ridge to the subtle hills that played crucial roles, discover how changes in rock types have left their mark. Join us as we zoom in on sedimentary rocks, explore the reddish Gettysburg Formation, the Heidelsburg member, and reveal some truly fossil-iferous finds. Rock on with us ...
In this episode, we dive back into the bedrock of America to reveal which state holds the crown for the oldest rocks in the U.S.! Join us as we unravel the mysteries of ancient metamorphic formations. From the Morton Gneisses in Minnesota, to the Wyoming craton out West, and ending in Upper Michigan, you'll find out what the oldest rocks are, and how we know! Hit that subscribe button, because this episode rocks! The paper that served as the basis for this episode is Frost, C.D., Muelle...
Join us as we explore the towering history of ancient mountain ranges, delve into the mysteries of the Appalachian Mountains, and break down the geological story behind the Gettysburg region. From the immense rift basins on the East Coast to the intricate details of the Allegheny Orogeny, this episode promises a thrilling ride through Earth's dynamic layers. Get ready to rock with some punny sediment tales and discover how past geological events shaped the terrain we see today! The Birdsboro ...
What is the oldest rock you can stand on in the United States? As the title of Frost et al., 2025 says, it is a simple question with a complex answer. In this episode, we journey to the north-central United States, where you'll find some of the oldest rocks in North America. Join us as we go through the candidate locations and dive real deep into the weeds of zircon uranium-lead geochronology! The more you learn, the less you know. Download the CampGeo app now at this link. On t...
Rockstars! Welcome to our first-ever Planet Geo field trip! Join us as we hit the road to Gettysburg and dig deep into the geology that shaped one of the most pivotal battles of the American Civil War. From the rocks that dictated troop movements to the geomorphology of battlefield ridges, we're taking you on an epic journey. Discover how ancient sediments and volcanic flows set the stage for a historic showdown. Plus, we explore the stunning South Mountain - it's a rock-solid adventure you w...
Welcome to another thrilling episode of PlanetGeo! In this episode, we dive deep into the jaw-dropping geology of the White Cliffs of Dover. We explore the formation and significance of chalk, a rock star in the geologic world. Learn about its formation during the late Cretaceous period, its economic uses, and its pivotal role as an aquifer system in Europe. From the fascinating microscopic coccolithophores to the sweeping landscape of the English coastline, this episode is sure to keep...
Join us as we explore the (lack of) intersection of geoscience and entrepreneurship. In this engaging discussion, we delve into the importance of business acumen in geological sciences, but also highlight the cultural obstacles within the field. We share personal insights and experiences while discussing how educators and institutions can better prepare students for innovative roles in geoscience. Tune in for a thought-provoking conversation packed with rock-solid ideas and practical solution...
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...
