Mine detail: Koehn Lake

Previously called 'Cotton BallDesert SpringsKane Springs'

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Location

Lat / long: 35.31666, -117.88423

Resource(N)

Primary: Boron-Borates, Halite, Gypsum-Anhydrite
Ore: Ulexite
Gangue: Gypsum, Halite
Orebody form: EFFLORESCENT CRUST
Discovery year: 1873

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: ABOUT 3 CAR LOADS HAND PICKED AND SHIPPED BY C.A. KOEHN 1898-1929.
First production started: 1873
Last production ended: 1929

Geology

Host type:Evaporite
Tectonic:Basin And Range

References

MRDSRL10054
DEP10055380
Reference{Deposit:: 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., 1985, BORATES: ECONOMIC GEOLOGY AND PRODUCTION; PROCEEDINGS OF A SYMPOSIUM HELD ON OCTOBER 24, 1984, AT THE FALL MEETING OF SME-AIME IN DENVER, COLORADO: NEW YORK, SOCIETY OF MINING ENGINEERS OF THE AMERICAN INSTITUTE OF MINING, METALLURGICAL, AND PETROLEUM ENGINEERS, INC., P. 38-51.}{Deposit:: TROXEL, B.W., AND MORTON, P.K., 1962, MINES AND MINERAL RESOURCES OF KERN COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 1.}{Other Database:: CIMRI}
ReporterLangford, R.P., Orris, Greta J.