Mine detail: Lang

Previously called 'Sterling Mine'

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Location

Lat / long: 34.46668, -118.36757

Resource(N)

Primary: Boron-Borates
Ore: Colemanite, Ulexite
Orebody form: STRATIFORM
Discovery year: 1907

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1908
Last production ended: 1922

Geology

Host rock:Vasquez Series
Host type:Shale,Limestone
Associated type:Arkose,Basalt
Structure:Ne Trending Folds Modified By Cross Faults And Longitudinal Faults: Interbedded Nature Of Volcanics And Sediments (Competent & Incompetent) Contribute To Structural Complexity In The Area
Tectonic:Basin And Range

References

MRDSRL10058
DEP10055383
Reference{Deposit:: SMITH, G.I., 1985, BORATES DEPOSITS IN THE UNITED STATES - DISSIMILAR IN FORM, SIMILAR IN GEOLOGIC SETTING. IN BARKER, J.M. & LEFOND, S.J. (EDS) BORATES: ECONOMIC GEOLOGY AND PRODUCTION. AMERICAN INSTITUTE OF MINING, METALLURGICAL AND PETROLEUM ENGINEERS, INC. NEW YORK, P. 37-51.}{Deposit:: GAYE, T.E. AND HOFFMAN, S.R., 1954, MINES AND MINERAL DEPOSITS OF LOS ANGELES COUNTY, CALIFORNIA. CALIFORNIA JOURNAL OF MINES AND GEOLOGY, 50 (3-4), 467-710., O00027}{Production:: GAYE NAD HOFFMAN, 1954}
ReporterR.P. Langford