California · Marin County
Prospect
Mazza Mazza Ranch
Marin County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Deposit
Deposit size
N
Materials
Gangue
Cinnabar, Pyrite
Economic & production
Development status
Prospect
Discovery year
1915
Identification
Deposit ID
10030799
MRDS ID
M009221
Region
NA
Data score
C
Coordinates
38.16322, -122.63912
References
CALIF. JOUR. MINES & GEOL. V. 51, NO. 3, JULY 1955, P. 262, 282, PL. 4DOM BULL. 125, P. 131D.O.M. BULL. 152 1950 P. 106