The Big Blue Rock Pod

The Big Blue Rock Pod

Welcome to the Big Blue Rock Pod, produced by the Kentucky Geological Survey, at the University of Kentucky. This podcast is a fun, conversational approach to discussing all things geology and earth processes. We primarily focus on Kentucky. We talk emerging ideas in research, along with classic topics in earth science for all levels of interest.

Episodes

December 29, 2025 59 mins

Matt, Doug, and Sarah talk with UK Earth & Environmental Sciences Professor Ed Woolery. The discuss near surface geophysics, shear wave propagation, imaging technique limitations, blind faults, applied geophysics, department chair duties, Ed’s geophysics heroes and much more!

 

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Matt and Sarah talk with KGS geologist and BBRP co-host Doug Curl. They talk about Doug’s unique and fascinating career arc as a geologist, geoinformatics, GIS, geologic maps, compact discs, metadata (everyone’s favorite!), online geologic map services, and much more.

 

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October 30, 2025 33 mins

Matt, Sarah, and Doug recap their participation in conferences but most importantly lean into Halloween! They discuss haunted pump jacks, suffering cows, the dark history of the Nada Tunnel, and a creepy story from a special guest about their experience with a time vortex during field work.

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September 30, 2025 44 mins

Matt, Sarah, and Doug talk with KGS geologist Cortland Eble. They discuss all things coal geology with a world-renowned palynologist, one of few people in the world who grinds up coal and glues in back together! They discuss coal formation, macerals, coke, coal spores and pollen, coal quality and quantity, coal from the Titanic, and much more!

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Matt, Doug, and Sarah talk with KGS Director and Ky State Geologist Mike McGlue. They discuss what geologists do, trends in earth science, converging disciplines, exciting research at KGS, and emphasize the application of geology to build resilience for the Commonwealth. Listen up!

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July 31, 2025 46 mins

Matt, Doug, and Sarah talk about conferences they attended this summer, along with a little travel in between. They discuss the National Speleological Society Convention, Niagara Falls, Jim Thorpe, Archbald Pothole State Park, the Kansas Geological Survey (the other KGS) Field Conference, geology of New York City, The Natural Hazards Center Workshop, geologic hazards, disaster resilience, effective data dissemination, the geology ...

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Geologic time is a fundamental concept at the core of all geology and earth sciences. Since it's the foundation for everything else, we thought it was worth listening to twice. Enjoy this reissued episode of "Geologic Time" from September 2022 (episode 10) with Matt, Sarah, and Doug and special guest KGS geologist and geomorphologist (now SP&M Lab lead) Jason Dortch.

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May 30, 2025 41 mins

Matt, Doug, and Sarah talk with KGS Geologist Alex Washburn to discuss shales, rare-earth element, critical minerals, calcite, geochronology, petroleum geology, and environmental geology. Also, Doug spills his water.

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April 30, 2025 55 mins

Sarah, Matt, and Doug talk with KGS Public Resources Curator Cheyenne Hohman about KGS archiving, data dissemination over time, weird publications, maps, science and political winds, which Survey was most productive, and much more! And check out our oldest publication (to date - from 1794!) in the KGS catalog here: https://kgs.uky.edu/kygeode/services/pubs/pub.htm?id=4385 "Map of the State of Kentucky with the Adjoining Territorie...

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Matt, Sarah, and Doug talk to UK Art Museum Curator, Rachel Hooper. In this special episode, they go on-site to the museum and discuss with Rachel the materials and subjects that connect art and geology: landscapes, photography, painting (with volcanic materials!) a Mt. Vesuvius eruption, ceramics, clay mineralogy, marble, lithography, and much more. View referenced art pieces below:

Thomas Melville Chapin, Will in Growth, 1993, ...

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Matt, Sarah, and Doug breakdown the 2024 television mini-series La Palma! They discuss the plot of the show, geologic character stereotypes, geologic details right and wrong, the geology of the Canary Islands, general geology movie cheesiness, and much more!

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Matt gets philosophical about time management and Sarah gets anxious. Doug's just trying to get through the website redo.

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December 19, 2024 54 mins

Matt, Sarah, and Doug talk about data with KGSers Cheyenne Hohman and Liz Adams. They dig into KGS history and mission, saving data and maps from threats, progress of storage and dissemination, data curation, data management, metadata (ugh!), UKnowledge, and the future of data storage for KGS.

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"I'm a 4.567 billion-year-old planet with a rich history, constantly evolving, and always open to new experiences. You should leave a message if you like cheese and would like to discuss it further..."

This month Matt, Sarah, and Doug discuss it further with UK Earth and Environmental Science professor Dave Moecher. Take a listen to their chat about the age of the Earth, the oldest rocks on earth, meteorites, petro-tectonics, terra...

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October 29, 2024 49 mins

This Halloween, step into Kentucky's spooky side with Matt, Sarah, and Doug as they explore eerie place names, reveal the surprising history of Transylvania, and uncover the haunting tale of Floyd Collins – the legendary cave explorer whose fateful journey into the depths became one of the state's most gripping stories.

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September 26, 2024 49 mins

September is National Bourbon Heritage Month and it's a celebration of bourbon as America's "Native Spirit". Check out one of our favorite episodes, Bourbon and Geology, where we discuss the link between Kentucky geology and all things bourbon. Fun fact, the episode's guest, Mike McGlue, is now the new Director of the Kentucky Geological Survey and the Kentucky State Geologist.

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In case you lost your old CD or iTouch, Matt, Sarah, and Doug bring back to life an OLD KyGeocast that is a guided tour of Lexington’s McConnell Springs. McConnell Springs is a city park near downtown Lexington famous for its exposure of karst features such as springs and caves, but also as the founding site of the city.

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Matt, Sarah, and Doug talk to KGS geologist Ben Tobin about all things hydrology. They discuss karst hydrogeology, the water cycle, dye tracing, water usage, integrated hydrologic modeling, the National Cave and Karst Research Institute, water data dissemination, student mentoring, climate change, and much more!

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June 28, 2024 38 mins

Matt, Sarah, and Doug talk about KGS summer activities including the Potter Internship, an Appalachian Karst Hydrogeology Workshop, and participation in the Association of American State Geologists meeting in Utah. They discuss all things state surveys, the first female state geologist, Utah geology, field trips, Snowbird, seismic base isolators, landslides, and much more!

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Matt, Sarah, and Doug sit down with KGS carbonate and mineral geologist Gina Lukoczki about carbonate petrology, critical minerals, rare earth elements (REEs), tools to assess REEs, the KY fluorspar district, rotten dikes, renewed interest in KGS core, the KGS Mineral Resources Information Map, and much more!

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