California · San Joaquin County
Producer
Cummings Mine
San Joaquin County, California, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Bementite
Geology
Host rock
Chert · Franciscan Complex
Economic & production
Development status
Producer
Identification
Deposit ID
10033550
MRDS ID
M020143
Alternate names
Lone Tree, Section 13, Winship.
Region
NA
Data score
C
Coordinates
37.58408, -121.48491
References
D.O.M. BULL. 152 1950 PP. 221 - 222D.O.M. BULL. 125 1943 P. 166