Widow No. 3 Mine (New Widow), Ryan, Black Mts, Furnace Creek District (Furnace Creek Borate District), Death Valley National Park, Inyo Co., California, USA
A former borate mine located in the SW¼ sec. 16, T25N, R3E, SBM, 10 miles SE of Twenty Mule Team Canyon.
Mineralization is a borate deposit (Deposit model: 260: Lacustrine borates), hosted in rocks of the Furnace Creek Formation (limestone, shale).
Local structures include a fault.
Reserve-Resource data are found in: Evans and others (1976).
ReferencesMcAllister, James Franklin (1961), Sborgite in the Furnace Creek area, California: USGS PP 424-B, Article 129: B299-B301.
McAllister, James Franklin (1970) Geology of the Furnace Creek borate area, Death Valley, Inyo County, California. California Division of Mines and Geology Map Sheet 14, 9 pp.
Evans, James R., G.C. Taylor, and J.S. Rapp (1976) Mines and mineral deposits in Death Valley National Monument. California Division Mines and Geology Special Report 125: 1-61.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 327-328.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238 (map 7-1), 259.
6 entries listed. 6 valid minerals.
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