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Mine detail: Antioch-Marchio
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North America
United States
California
Contra Costa
Previously called ''
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Location
Lat / long:
37.9427, -121.81914
Resource(B)
Primary:
Silica
Tertiary:
Sand and Gravel, Construction
Production
Operation type:
Surface
Development status:
Prospect
Geology
References
MAS
60130020
DEP
10114133
Reference
{Deposit:: CALIF. JOUR. MINES & GEO. V. 47, NO.4, OCT. 1951, PP.581-2;}{Deposit:: NO.4, P.581, PL. 5.}
Reporter
Western Field Operations Center (WFOC)