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Bullion gold mine

former gold mine of asbestos in Pennington county, SD

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Geologic information

Name of siteBullion gold mine
Developmentformer gold mine
StateSD
CountyPennington
Geographic location:-103.4203, 43.9007
(click for info)
Fibrous mineralradiating groups of needles or fibers of cummingtonite"" (Roberts and Rapp, 1965, p. 12)
Associated mineralsgarnet
hornblende
quartz
feldspar
Host rock typesiron-formation
Geologic map unit-103.4203, 43.9007
Nearby scientific dataFind additional scientific data near this location

Reference information

Hamilton, R.G., 1935, Pre-Cambrian geology of the Keystone district, Black Hills, South Dakota: Iowa City, Iowa, University of Iowa, Ph.D. dissertation, 41 p.
Roberts, W.L., and Rapp, George, Jr., 1965, Mineralogy of the Black Hills: Rapid City, S. Dak., South Dakota School of Mines and Technology Bulletin Number 18, 268 p.
Norton, J.J., 1976, Field compilation map of the geology of the Keystone area, Black Hills, South Dakota: U.S. Geological Survey Open-File Report 76-297, 1 sheet, scale 1:20,000.
[http://pubs.er.usgs.gov/publication/ofr76297]
DeWitt, Ed, Buscher, David, Wilson, A.B., and Johnson, Tom, 1988b, Map showing locations of mines, prospects, and patented mining claims, and classification of mineral deposits in the Mount Rushmore 7.5-minute quadrangle, Black Hills, South Dakota: U.S. Geological Survey Miscellaneous Field Studies Map MF-1978-K, 1 sheet, scale 1:24,000.
[http://pubs.er.usgs.gov/publication/mf1978K]