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February 2023

Lecture by Dr. William Rehrig, Senior Exploration Consultant, "The use of join/vein analysis in exploration, mining, and tectonics"

January 2023

Lecture by Dr. Ryan Taylor, USGS, "Formation of orogenic gold veins of the Grass Valley district, California"

December 2022

Lecture by Dr. Christopher S. Holm-Denoma, USGS, "Geochronology of Rare Metal-Bearing Pegmatites of the Northern Appalachians: Testing Pegmatite Origin Models"

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