California · Inyo County
Past Producer

Keystone Group

Inyo County, California, United States
CopperLeadSilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondaryLead, Silver, Gold
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Materials
Ore mineralsGalena
GangueCalcite, Jasper, Limonite
Geology
Host rockLimestone
StructureFolds, Faults
Economic & production
Development statusPast Producer
Identification
Deposit ID10033982
MRDS IDM020642
Alternate namesDarwin-Keystone
RegionNA
Data scoreB
Coordinates36.2608, -117.56534
References
HALL, W. E. AND MACKEVETT, E. M., 1958 , ECONOMIC GEOLOGY OF THE DARWIN QUADRANGLE, INYO COUNTY, CALIFORNIA; DIV. OF MINES, SPECIAL REPORT 51 ; P. 31 - 32HALL & MACKEVETT, 1958 , P. 32 (SEE REF.)