Mine detail: Mountain Spring

Previously called ''

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Location

Lat / long: 32.69701, -116.0625

Resource(B)

Primary: Limestone, General
Tertiary: Tungsten
Ore: Limestone
Gangue: Graphite
Orebody form: LENS

Production

Operation type: Unknown
Deposit type: Sedimentary
Production size: Small
Development status: Past Producer
Production years: PRE-1927, 1940, 1959
First production started: 1927

Geology

Host type:Metasedimentary Rock
Associated rock:Tonalite Of La Posta
Associated type:Tonalite

References

MRDSI000459
DEP10023473
Reference{Deposit:: TODD, V.R., KILBURN, J.E., DETRA, D.E., GRISCOM, ANDREW, KRUSE, F.A., AND MCHUGH, E.L., 1987, MINERAL RESOURCES OF THE JACUMBA (IN-KO-PAH) WILDERNESS STUDY AREA, IMPERIAL COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY BULLETIN 1711-D, 18 P.}{Deposit:: MORTON, PAUL K., 1977, GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY, COUNTY REPORT NO. 7, P. 7.}{Deposit:: SAMPSON, R.J., AND TUCKER, W.B., 1942, MINERAL RESOURCES OF IMPERIAL COUNTY: CALIFORNIA DIVISION OF MINES BULL., VOL. 38, H2, P. 130.}{Other Database:: CIMRI}{Reserve-Resource:: TODD AND OTHERS, 1987.}
ReporterOrris, Greta J., Gray, Floyd