Mine detail: Widow No. 3

Previously called 'New Widow'

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Location: Inyo County, California, United States, North America
Lat / long: 36.29581, -116.66366
dep_id: 10023432
mrds_id: I000392
Commodity type: nonmetallic
Major mineral: Boron-Borates
Operation type: Unknown
Production size: Production occurred
Development status: Past Producer
ore: Colemanite, Ulexite
gangue: Calcite
model: 260: Lacustrine borates
Reporter: Orris, Greta J.
hrock_unit: Furnace Creek Formation
hrock_type: Shale,Limestone
Structure: Fault.
Year first produced: 1915
References:
  • Deposit:: 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
  • Reserve-Resource:: EVANS AND OTHERS, 1976
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