Dorshler and Tresch mine, Howell Co., Missouri, USA
Latitude & Longitude (WGS84): | 36° 39' 34'' North , 91° 43' 16'' West |
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Latitude & Longitude (decimal): | 36.65948, -91.72124 |
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Mineral List
8 valid minerals.
Rock Types Recorded
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Alphabetical List Tree DiagramRegional Geology
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.
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Early Ordovician 470 - 485.4 Ma | Smithville Dolomite, Powell Dolomite, Cotter Dolomite, Jefferson City Dolomite Age: Early Ordovician (470 - 485.4 Ma) Stratigraphic Name: Smithville Dolomite; Powell Dolomite; Cotter Dolomite; Jefferson City Dolomite Description: Fine crystalline, silty, cherty dolomite, and oolitic chert with local sandstone beds. Comments: IN SOUTHEAST MO-Smithville Dolomite- (150 ft. max) cherty dolomite; Powell Dolomite- (175 ft. max) dolomite with thin beds of sandstone and shale; Cotter Dolomite- (459 ft. max) oolitic dolomite with thin beds of sandstone and shale; Jefferson City Dolomite- (350 ft. max) dolomite with lens of conglomerate and shale. Jefferson City Dolomite is host to barite deposits on the northwest flank of Ozark Uplift. Lithology: Major:{dolostone}, Minor:{sandstone,shale,conglomerate,chert} 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. [133] |
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