The Southeast Missouri Lead District, commonly called the Lead Belt, is a lead mining district in the southeastern part of Missouri. It contained deposits of galena and other metal-sulfide ores of the
Historical marker commemorating the first mine at Mine La Motte "about 1700".
Missouri Mines State Historic Site occupies a retired lead mill in the "old lead belt"
Cubic galena (lead ore) from the Sweetwater Mine of the Viburnum Trend (Reynolds County, Missouri).
Sphalerite, galena, and marcasite from the Viburnum Trend District (Reynolds County, Missouri).
Bonneterre Formation
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The Bonneterre Formation is an Upper Cambrian geologic formation which outcrops in the St. Francois Mountains of the Missouri Ozarks. The Bonneterre is a major host rock for the lead ores of the Misso
Galena in Bonneterre Dolomite (Upper Cambrian; Missouri)