
Episode 50 - Chris Conwell (Featuring Sibling Rivalries with Ryan Thornburg)
06/30/20 • 97 min
We have a lot going on in this week’s installment of the Geology Flannelcast. Our guest this week is Chris Conwell. Chris is a Ph.D. candidate at THE Ohio State University and he studies ancient glacial activity on Earth nearly 450 million years ago. Also, Ryan Thornburg (Jesse’s brother) stops by and we determine once and for all if Jesse and Ryan really didn’t go swimming for a whole summer in 1992 because it was too cold due to the eruption of Mt. Pinatubo in 1991. And if that wasn’t enough... we also cover a huge tanzanite discovery and the end Permian extinction event.
Jesse’s Corner:
Small-scale miner finds largest tanzanite gems in Tanzania's history, becomes millionaire
Coal-Burning Contributed to End-Permian Mass Extinction
We have a lot going on in this week’s installment of the Geology Flannelcast. Our guest this week is Chris Conwell. Chris is a Ph.D. candidate at THE Ohio State University and he studies ancient glacial activity on Earth nearly 450 million years ago. Also, Ryan Thornburg (Jesse’s brother) stops by and we determine once and for all if Jesse and Ryan really didn’t go swimming for a whole summer in 1992 because it was too cold due to the eruption of Mt. Pinatubo in 1991. And if that wasn’t enough... we also cover a huge tanzanite discovery and the end Permian extinction event.
Jesse’s Corner:
Small-scale miner finds largest tanzanite gems in Tanzania's history, becomes millionaire
Coal-Burning Contributed to End-Permian Mass Extinction
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Episode 49 - Current Events 6/23/20
Here’s a bonus episode for this week because we were late getting our regularly scheduled episode out. We cover current events in geology like the 7.5 magnitude earthquake this week in Mexico, a giant dust storm moving across the Atlantic Ocean, microbes that may live in impact craters, and a mega-blob under New Zealand.
Powerful Earthquake Jolts Southern Mexico and Kills at Least 6
Massive Sahara desert dust plume closing in on the United States
Chicxulub collision put Earth’s crust in hot water for over a million years
Remnant of world's largest 'lava lamp blob' found off New Zealand coast
Next Episode

Episode 51 - Predicting Earthquakes, Superplumes, and the PETM
This week's episode is a live stream. We talk about predicting earthquakes, mantle superplumes (aka LLSVP), and the Paleocene-Eocene Thermal Maximum (PETM).
Slow earthquakes in Cascadia are predictable
The sixth sense of animals: An early warning system for earthquakes?
A bright fireball over Tokyo explodes with the force of 165 tons of TNT
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