Lecture Program at Hardrock Summit
Jul 28, 2025
Presented by the Denver Gem and Mineral Show (DGMS), this dynamic lecture series is a cornerstone of our mission to ignite curiosity and share expert knowledge about our planet. Get ready to explore the captivating realms of minerals, fossils, and geology through an inspiring lineup of presentations.
Don’t miss this opportunity to engage with leaders in the field, expand your understanding, and be inspired by the incredible natural world around us.
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Thursday, September 4th |
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11.00 am |
Jeff Scovil |
A Photo Album of Barite and Calcite |
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1.00 pm |
Peter Modreski |
Barite and Calcite from around the World |
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2.00 pm |
Ryan Roney |
Georgia Calcite |
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3.00 pm |
Erin LaCount |
Yours Truly, Arthur Lakes: Reconstructing the Timeline of the Dinosaur Ridge Quarries |
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Friday, September 5th |
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11.00 am |
Amy Atwater |
Why Brachylophosaurus Is Your New Favorite Dinosaur |
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1.00 pm |
Ed Raines |
Soluble versus Nearly Insoluble |
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2.00 pm |
Graham Sutton |
A “Brief” History of Chinese Calcite Locations |
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3.00 pm |
Les Presmyk |
Arizona Calcites |
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Saturday, September 6th |
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11.00 am |
Dan Kile |
Colorado Barite and Calcite |
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1.00 pm |
Karly Litchfield |
Amber Barite, Calcite and Fossils of the Elk Creek Region of South Dakota |
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2.00 pm |
Jose Santamaria |
Georgia Barites |
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3.00 pm |
Jim and Gail Spann |
These Are a Few of Our Favorite Things |
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Sunday, September 7th |
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11.00 am |
Brian Walko |
Discovery of Watermelon Chalcedony and Calcite in Northwest Nebraska |
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12.00 pm |
Mark Jacobson |
Worldwide Occurrences of Sand Calcites and Barites |
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1.00 pm |
Mark Jacobson |
The Fisher Quarry Pegmatite, Topsham Feldspar Mining District: History, Geology and Minerals |
