Mine detail: Columbus Mine

Previously called 'Gem Borate Mine'

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Location

Lat / long: 34.80001, -116.8842

Resource(N)

Primary: Boron-Borates

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1897

Geology

Host rock:Barstow Formation
Host type:Shale

References

MRDSI003018
DEP10023824
Reference{Deposit:: PIPER, J.R., 1985, BORATE DEPOSITS OF THE CALICO-DAGGETT AREA, CALIFORNIA, IN BARKER, J.M., AND LEFOND, S.J., EDS., BORATES: ECONOMIC GEOLOGY AND PRODUCTION: NEW YORK, SOCIETY OF MINING ENGINEERS OF THE AMERICAN INSTITUTE OF MINING, METALLURGICAL, AND PETROLEUM ENGINEERS, INC., P. 147-155.}{Deposit:: RAPP, J.S., AND VREDENBURGH, L.M., 1992, INDUSTRIAL MINERAL RESOURCE POTENTIAL OF TERTIARY PLAYA DEPOSITS OF THE FORT IRWIN AREA, SAN BERNARDINO COUNTY, CALIFORNIA: SOCIETY FOR MINING, METALLURGY, AND EXPLORATION, INC. PREPRINT NUMBER 92-44, 9 P.}{Deposit:: VER PLANCK, W.E., 1956, HISTORY OF BORAX PRODUCTION IN THE UNITED STATES: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 52, NO. 3, P. 273-191.}{Deposit:: YALE, C.G., 1904, BORAX, IN MINERAL RESOURCES OF THE US - 1903: WASHINGTON, D.C., U.S. GEOLOGICAL SURVEY, P. 1017-1028.}{Other Database:: CIMRI}
ReporterOrris, Greta J.