California · Calaveras County
Past Producer

Telegraph

Calaveras County, California, United States
Copper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsChalcopyrite
Geology
Host rockGreenstone
AlterationPyritization
Economic & production
Development statusPast Producer
Identification
Deposit ID10028632
MRDS IDM005723
Alternate namesDiamond J
RegionNA
Data scoreC
Coordinates37.9113, -120.72934
References
CLARK, W. B. AND LYDON, P. A., 1962 , MINES AND MINERALS RESOURCES OF CALAVERAS COUNTY, CALIFORNIA; COUNTY REPT. 2 ; CALIF. DIV. MINES AND GEOLOGY, P. 133