California · Imperial County
Producer
Chocolate Drop Group
Imperial 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
Gangue
Calcite
Geology
Host rock
Alluvium,Andesite
Associated rock
Andesite
Economic & production
Development status
Producer
Identification
Deposit ID
10109375
MRDS ID
M020021
Alternate names
Big Bear, Black Jack, Black Queen: Ebony Group.
Region
NA
Data score
C
Coordinates
33.40756, -114.87441
References
D.O.M. BULL. 152 1950 PP. 75 - 76D.O.M. BULL. 125 1943 P. 118