California · Marin County
Unknown
Marin Co.No.25
Marin County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Materials
Other materials
Pyrolusite
Economic & production
Development status
Unknown
Identification
Deposit ID
10139578
Region
NA
Data score
C
Coordinates
37.8402, -122.48075
References
CALIF JOUR MINES AND GEOL V 51 NO 3 JULY 1955 P 279IN PIKE COUNTY GULCH ABOUT 1 MI S OF THE UNION GULCH MINE COON GULCH MINE BE SAME AS COPPER GULCH MINE MAY BE SECTION 18