California · San Diego County
Past Producer
Mica Gem Group
San Diego County, California, United States
Mica
Silica
Tungsten
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USGS source ↗
Commodities
Primary
Mica
Tertiary
Silica, Tungsten
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10286572
MRDS ID
D000982
Alternate names
Marden, Mica Springs Claim, Mica Springs No. 1, Little Randsburg, Jacumba No. 1, Madden
Region
NA
Data score
D
Coordinates
32.64287, -116.12363
References
CALIF. DIV. MINES AND GEOL. COUNTY REPORT 3, 1963, P. 190,193.