The Viburnum Trend mining district is the largest lead mining subdistrict in the world. Located approximately 90 miles south of St. Louis, these mines roughly follow an ancient coral reef complex. Mineralization occured by hydrothermal brines that originated beep within surrounding sedimentary basins. The subdistrict is responsible for providing 80% of lead production in the United States, and 15% of total world production. The subdistrict also yields zinc, copper, silver and cobalt. Production has been steady since the mid-1960's.
Pictures and videos from the 2005 Mineralogy fieldtrip to the Brushy Creek Mine
Video of ore conveyors and crushers
Video of galena ore separation by flotation
Video of students bouldering at Elaphant Rocks State Park
Powerpoint of 2007 Trip to the Doe Run Buick Mine and St. Francois Mountains
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