Kentucky Geological Survey
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.
Be sure to visit the podcast's website and support the creator: kgsnews.podbean.com
Author
Kentucky Geological Survey
Category
Podcast website
Latest episode
Oct 29, 2026
Where to listen?
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Episodes
Ep. 34: Bourbon and Geology (encore) 26.09.2024 49:45
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.
Ep. 33: Springs, Sinks, and a Big Blue Hole: McConnell Springs Revisited 28.08.2024 20:35
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.
Ep. 32: Going with the flow: Tobin on hydro 19.07.2024 41:32
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!
Ep. 31: Utah-kin' to me? Matt at AASG 28.06.2024 38:06
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!
Ep. 30: Critical minerals are so hot right now 03.06.2024 55:38
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!
Ep. 29: Unstable Ground: Exploring Engineering Geology 26.04.2024 48:20
Matt, Sarah, and Doug discuss all things engineering geology with UK Department of Earth & Environmental Sciences professor Sarah Johnson. They talk about engineering geology expertise, site investigations, geology-engineer jokes, terminology for geologists and engineers, engineering geology training, landslides, and the motivation for more applied geology.
Ep. 28: Rise and Brine 25.03.2024 50:57
Matt, Sarah, and Doug talk with KGS geologist Marty Parris about hydrocarbon reservoir geochemistry, water and rock interactions, brines, carbon storage, Kentucky’s orphaned oil and gas wells and much more!
Ep. 27: Ask Us Anything: Volume II 28.02.2024 45:39
Matt, Sarah, and Doug answer questions submitted from listeners, members of the general public, and attendees at the KGS Open House. The trio discusses the Findlay Arch, Kyrock, lack of dinosaur bones in Kentucky, oldest specimen in the KGS lobby, quicksand, world water total, cool places to hike, and more!
Ep. 26: Between a Rock and A Hard Cover: Our Favorite Geology Books 31.01.2024 35:53
Matt, Sarah, and Doug talk about their favorite geology books! Don’t fear, these aren’t the hard-core, in-depth science text books you might think. You will be surprised at what is discussed and hopefully enjoy their take on books that connect to careers, sharing ideas, and a general passion for earth science.
Ep. 25: Arches, We Know You Love Em 20.12.2023 48:37
Matt, Sarah, and Doug talk with KGS geologic mapper Steve Martin about all things natural rock arches! They discuss the difference between arches and natural bridges, arches around the world, evolution of arch formation, fractures, freeze-thaw, arch openings, measuring arch spans, monitoring arch behavior, arches in Kentucky, and much more! View the KGS map of publicly accessible KY arches .
Ep. 24: Let’s get geochemical 30.11.2023 52:13
Matt, Sarah, and Doug discuss all things geochemistry with UK Earth and Environmental Sciences professor Andrea Erhardt . The trio tackles the importance of geochemistry to our understanding earth processes, the atmosphere, and other planets. Dr. Erhardt takes them through a wide-range of topics including geochemical spheres, high and low-temp geochemistry, chemical weathering, paleo climates, min...
Ep. 23: October Conglomerate 31.10.2023 30:02
Matt, Sarah, and Doug are catching up on a busy October at KGS with a conglomerate of topics. There is no guest this month but we summarize the successful KGS Earth Science Open House, KGS’s participation at the Geological Society of America Annual Meeting in Pittsburgh, and Matt’s trip to Sri Lanka.
Ep. 22: Scientists or Philosophers. Who can ask more questions? 28.09.2023 1:09:57
Matt, Sarah, and Doug discuss the philosophy of science with UK professor Julia Bursten . They talk about the foundations of science, purpose of science, theories, truth, epistemology, misinformation, classification in science, philosophy of geology and much more!
Ep. 21: A Slick Conversation About Petroleum Geology 30.08.2023 1:07:58
Matt, Sarah, and Doug discuss petroleum geology with KGS geologist Dave Harris. They talk about the basics of hydrocarbons, source rocks vs reservoir rocks, structural traps, oil and gas producing areas in Kentucky, unconventional reservoirs, KGS oil and gas data services, Dave’s retirement and much more!
Ep. 20: Landslides are not bringing us down 27.07.2023 54:26
It's a game of musical chairs on this episode of the BBRP. KGS landslides expert Matt moves into the guest chair, while Doug and newcomer Rebekah co-host the episode. We discuss how Matt started researching landslides, the types and causes of landslides, what landslide research looks like at KGS and nationally, landslides related to the July 2022 eastern Kentucky floods, Matt's bad-fitting suits,...
Ep. 19: Hello! Nice to Meteorite You 28.06.2023 1:04:29
Matt, Sarah, and Doug discuss all things meteorites with KGS geologist and current graduate student Ethan Davis. We get into differences among space rocks, planet evolution, impact craters around the world, Chicxulub mysteries, "meteorwrongs", meteorite composition, meteorites in Kentucky, the newest meteorite found in Kentucky, and much more!
Ep. 18: Kentucky Cooperative Extension -- more than free soil testing 26.05.2023 44:31
Matt, Doug, and Sarah talk about everything extension with UK Professor Brad Lee, from soil and water quality to dog poop and lawn care. We also explore the role of extension in the University’s land grant mission and UK Extension’s environmental and educational services. This week’s top takeaway? Check out the soil tests available from your local county extension office. Find the office online...
Ep. 17: Schist Geologists Say 27.04.2023 41:59
Matt, Sarah, and Doug have a lively discussion about geology jargon, odd and old geoscience concepts, and weird terminology that geologists love to use. KGS geologist Meredith Swallom is the guest and helps us decipher rocks vs. minerals, lithification, unconformities, how awesome (and outdated) graywacke is, accretionary wedges, and much more!
Ep. 16: Exploring Cumberland Gap 31.03.2023 52:10
"I'm just gonna to go ahead and say it. I love Cumberland Gap." Matt, Sarah, and Doug discuss all things Cumberland Gap National Historical Park! KGS geologist William Andrews is our guest and we get into the park history, geologic setting, unique park features, Ridge Trail, rodents in cabins, Pinnacle Overlook, Hensley Settlement, the Tunnel, the first geology field camp, and much more!
Ep. 15: Unpacking Science Communication 28.02.2023 52:34
Matt, Sarah, and Doug unpack all things science communication! We talk with Dr. Sarah Vos from UK Department of Health Management and Policy and the Director of Undergraduate Research in the College of Public Health. We discuss communication spanning many scientific disciplines, bridging the gap between science and the public, disaster communication, getting your message to stick, building trust,...
Ep. 14: Thinking About Climate Science 01.02.2023 52:30
Matt, Sarah, and Doug discuss all things climate science with Dr. Alice Turkington, geography professor at the University of Kentucky. We get into climate terminology, climate change indicators, extreme events, climate change education, and much more! Dr. Alice Turkington is an associate professor of physical geography with affiliations in environmental and sustainability studies and historic pres...
Ep. 13: Ask Us Anything? 19.12.2022 45:00
For our lucky 13th episode and to mark the end of the year, Matt, Sarah, and Doug answer your geology questions! Listen to our answers to your questions on the KGS mission, unique geologic places in Kentucky, innovation, social media, oil and gas, and more. We'll be doing this again, so please contact us at kgsmail@uky.edu with your pressing questions about geology. Wishing all of our listeners...
Ep. 12: Earthquakes! 29.11.2022 1:13:41
Matt, Sarah, and Doug discuss earthquakes with KGS geophysicist Seth Carpenter. Tune is as they talk about global and regional activity, mystery of Kentucky’s biggest quake, frog seismometers, and earthquake hazard and risk. And check out our webpage for more information about earthquakes, earthquake hazards, and to view the Kentucky Seismic Network recordings: www.uky.edu/KGS/earthquake/ .
Ep. 11: Lakes and rivers and streams, Oh My! A lively discussion about Kentucky’s surface hydrology 28.10.2022 40:15
Matt, Doug, and Sarah discuss surface hydrology, differentiating natural and engineered lakes, Kentucky watersheds, geology's role in Kentucky lake characteristics, and cool factoids about the Commonwealth's rich surface freshwater resources. And poke a little fun at a few of our border states (who we love). Photo is from Grayson Lake in eastern Kentucky (by Doug Curl).
Ep. 10: Diving Into Geologic Time 29.09.2022 50:52
Matt, Sarah, and Doug discuss all things geologic time with KGS geologist and geomorphologist Jason Dortch (a lover of geologic time and our first repeat guest!) including the abstract concept itself, the geologic time scale, deep time, love/hate with the Anthropocene, geologic hazards and resiliency, and much more!
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