Commodities
PrimaryCopper
SecondaryLead, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Sphalerite
GangueQuartz
Geology
Host rockMetavolcanic Rock
StructureFaults; 3 Types, 1)East Dipping High-Angle Strike Faults, 2)Low-Angle Reverse Faults, Strike N50w - N., Dip 25 - 50 E. 3)High-Angle Faults, Strike Ne. Folds With Awplitudes 1 - 6 Ft., Plunge 78 - 84 N, Most Overturned With Axial Planes Dipping Eastward At High Angles.
AlterationSericitization, Silicification, Pyritization.
Economic & production
Development statusProducer
Identification
Deposit ID10028069
MRDS IDM004856
Alternate namesGreyhouse, Grey House
RegionNA
Data scoreB
Coordinates38.25463, -120.88519
References
AUBURY, L.E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 225GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINE AND GEOLOGY; VOL 53 , NO. 314 , P. 419HEYL, G.R., 1948 , GRAYHOUSE AREA, AMADOR COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL 144 ; DIV. OF MINES, P. 85 - 91