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Bessie G Mine, La Plata District (California District), La Plata Co., Colorado, USA

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Latitude & Longitude (WGS84): 37° 25' 56'' North , 108° 0' 32'' West
Latitude & Longitude (decimal): 37.4321, -108.00889


Unpatented claims: Road Runner Nos. 1-8; Bessie G. Extension; Morning Star; MS 2381; North Star; MS 2380; Rebecca; MS 2382; Margo No. 2; 4; 5; Hardway Smith Nos. 1-12; Bessie G.; MS 2055; Lady Douglass; MS 2378; Beth Nos. 1-12; Patented Claims: Martha; MS 1721;

Mineral List


31 valid minerals.

Regional Geology

This 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 data will improve over time as more accurate maps and data sets are added.

Cretaceous66 - 145 MaCretaceous sedimentary rocks

Sedimentary rocks

Late Triassic201.3 - 237 MaDolores Fm

Major:: {siltstone},Minor:: {shale},Incidental:: {sandstone, conglomerate}

Red siltstone, shale, sandstone, and limestone-pellet conglomerate

Permian - Pennsylvanian252.17 - 323.2 MaPennsylvanian-Permian sedimentary

Sedimentary


References for regional geology:

Data provided by Macrostrat.org

Garrity, C.P., and Soller, D.R.,. Database of the Geologic Map of North America: adapted from the map by J.C. Reed, Jr. and others (2005). U.S. Geological Survey Data Series 424 .

USGS compilers. State geologic map data. State Maps.

Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.



The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Saunders, J. A. (1986). Petrology, mineralogy, and geochemistry of representative gold telluride ores from Colorado (Doctoral dissertation, Colorado School of Mines).

Rocks & Minerals (1989): 64: 500.

Vajdak, Josef (2008), Mineral News: 24(3): 15.

Galbraith, F. W. (1941). Ore minerals of the La Plata Mountains, Colorado, compared with other telluride districts. Economic Geology, 36(3), 324-334.

Vogel, C. (2014, October). Insight into the Origin of Gold at the Bessie G Mine, La Plata Mining District, Southwestern Colorado. In 2014 GSA Annual Meeting in Vancouver, British Columbia.

Mineral and/or Locality  
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