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Lotus Bar placer mine (Lotus pit and mill), Lotus, Coloma District, West Belt, El Dorado Co., California, USA

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A former placer Au occurrence/mine & sand & gravel pit operation located in sec. 18, T11N, R10E, MDM, 0.7 km (0.4 mile) E of Lotus and 1.0 km (0.6 mile) WNW of Coloma, S of the South Fork American River. Mines by several concerns during the 1930's. MRDS database stated accuracy for this location is 500 meters.

Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include surface openings. Excavated by power shovel or bulldozer and sent through a washing plant.

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References

Clark, Wm. B. & D.W. Carlson (1956), Mines and mineral resources of El Dorado County, California: California Journal of Mines and Geology (Report 52): 52(4): 556.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10029986 & 10260190.

U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060170434.

 
Mineral and/or Locality  
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