California · Contra Costa County
Occurrence
Basalt Rock Company
Contra Costa County, California, United States
Sand and Gravel
Construction
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USGS source ↗
Commodities
Primary
Sand and Gravel, Construction
Commodity type
N
Deposit
Deposit size
N
Materials
Ore minerals
Sand
Economic & production
Development status
Occurrence
Identification
Deposit ID
10029557
MRDS ID
M007177
Region
NA
Data score
D
Coordinates
38.01518, -121.79354
References
CALIF. JOUR. VOL. 47, NO. 4, OCT. 1951, P. 580; V. 54, NO. 4, P. 579