California · Calaveras County
Occurrence
Gorham Prospect
Calaveras County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Rhodonite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10092002
MRDS ID
M006238
Region
NA
Data score
C
Coordinates
37.93491, -120.58461
References
CALIF. B. 152, P.43; B. 125, P.107; B. 145, PL. 2EC. MINERAL MAP NO.5, 1943USBM R.I. 5579, P. 22CALIF. COUNTY REPT. NO. 2 , P. 212 AND PL. D; USGS MR-23 ; MAP GP - 561