Mine detail: Widow No. 7

Previously called 'Old Widow'

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Location

Lat / long: 36.29637, -116.66588

Resource(N)

Primary: Boron-Borates
Ore: Colemanite, Ulexite
Gangue: Calcite
Orebody form: WEDGE

Production

Operation type: Unknown
Production size: Yes
Development status: Past Producer
First production started: 1915

Geology

Host rock:Furnace Creek Formation
Host type:Shale,Limestone

References

MRDSI000390
DEP10023430
Reference{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}{Other Database:: CIMRI}{Reserve-Resource:: EVANS AND OTHERS, 1976.}
ReporterCarbonaro, Marguerite M.