Mine detail: Darwin Group

Previously called 'EssexIndependenceLaneLibertyLucky JimPromontoryRip Van WinkleSouthwest and Thompson.BernonColumbiaDefiance Driver'

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Location

Lat / long:

36.28025, -117.60062

Resource(M)

Primary:	Lead, Zinc, Silver
Secondary:	Gold, Tungsten, Copper
Ore:	Chalcopyrite, Pyrite, Sphalerite, Tetrahedrite
Gangue:	Calcite, Clay, Fluorite, Gypsum, Iron, Jarosite, Jasper, Quartz
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer

Geology

Host type:	Limestone
Associated type:	Quartz Monzonite,Granite
Structure:	Thrust Fault, Igneous Intrusions, Faults, Folds

References

MRDS	K002921
DEP	10108953
Reference	{Deposit:: GOODWIN, J. C., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY VOL. 53 , NO. 3 & 4 ; DIV. OF MINES, P. 466}{Deposit:: HALL, W. E. AND MACKEVETT, E. M., 1958 , ECONOMIC GEOLOGY OF THE DARWIN QUADRANGLE, INYO COUNTY, CALIFORNIA; DIV. OF MINES SPEC. REPT. 51 , P. 25 - 30 .}{Deposit:: NORMAN, L. A. AND STEWART, R. M., 1951 , MINES AND MINERAL RESOURCES OF INYO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 51 , NO. 1 ; DIV. OF MINES, P. 59 - 68 .}
Reporter	Wedow, Helmuth, Fraticelli, L. A. (Albers, J.)