|Latitude & Longitude (WGS84):||37° 32' 17'' North , 91° 7' 42'' West|
|Latitude & Longitude (decimal):||37.53806,-91.12861|
|Köppen climate type:||Cfa : Humid subtropical climate|
Currently (2008) owned by the Doe-Run Company. This mine is famous for its large gray scalenohedral calcite crystals, many showing phantom crystals, sprinkled with a combination mix of chalcopyrite/marcasite. Also has rarely produced wonderful spinel-law galena crystals.
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded at this locality.
14 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
252.17 - 541 Ma
|Paleozoic sedimentary rocks|
Age: Paleozoic (252.17 - 541 Ma)
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. 
470 - 485.4 Ma
Age: Early Ordovician (470 - 485.4 Ma)
Stratigraphic Name: Gasconade Dolomite
Comments: IN SOUTHEAST MO-Gasconade Dolomite- (700 ft max) coarsely crystalline cherty dolomite with basal sandstone member; Gunter Sandstone Member- (30 ft. max) quartzose sandstone. Host to barite deposits on the northwest flank of Ozark Uplift.
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052.