California · San Bernardino County
Producer
Big Reef
San Bernardino County, California, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Psilomelane, Pyrolusite
Geology
Host rock
Andesite
Associated rock
Andesite
Economic & production
Development status
Producer
Identification
Deposit ID
10033529
MRDS ID
M020111
Alternate names
End Line, Clark, Clark No. 1, Next Time, Pisgah, Willkie, Black Butte, Hangover, Bobbie Sullivan
Region
NA
Data score
C
Coordinates
34.80584, -116.33918
References
D.O.M. BULL. 152 1950 PP. 188 - 191D.O.M. BULL. 125 1943 P. 160