Latitude: 36°20'30"N
Longitude: 116°41'2"W
A former borate mine located NW of Ryan near the E border of the Death Valley National Park.
Mineralization is a lacustrine borate deposit (Deposit model: 260), hosted in rocks of the Laohuling Formation (shale, clay, mud, mudstone, siltstone and sandstone).
Local structures include a NNE-trending, steeply-dipping fault.
Related tectonic structures: Basin and range region.
Reserve-Resource data: Estimate by G. Orris from published data in 1990.
Also, Roskill (1993); Evans and others (1976).
References
Evans, J.R., Taylor, G.C., and Rapp, J.S. (1976), Mines and mineral deposits in Death Valley National Monument, California” California Division of Mines and Geology special report 125, 61 p.
Barker, C.E., and Barker, J.M. (1985), “A Re-evaluation of the origin and diagenesis of borate deposits, Death Valley, California” in Barker, J.M., and Lefond, S.J., eds., “Borates: Economic Geology and production” New York, American Institute of Mining, Metallurgical and Petroleum Engineers, Inc.: 101-136.
Smith, G.I. (1985), “borate deposits in the United States - dissimilar in form, similar in geologic setting” in Barker, J.M., and Lefond, S.J., eds., Borates: Economic geology and production: New York, American Institute of Mining, Metallurgical and Petroleum Engineers, Inc., p. 37-51.
Harben, P.W., and Bates, R.L. (1990), “Industrial minerals geology and world deposits” London, metal bulletin plc.
O'Driscoll, Mike (1990), “Minerals in the US Southwest - breaking rocks in the hot sun” Industrial Minerals, no. 272, p.59.
Roskill Information Services Ltd. (1993), “The Economics of Boron 1993, 7th ed.” London, Roskill Information Services Ltd., 156 p.
Mineral List
3 entries listed. 3 valid minerals.
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