California · Ventura County
Past Producer
Stubblefield & Halloway Property
Ventura County, California, United States
Boron-Borates
Gypsum-Anhydrite
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USGS source ↗
Commodities
Primary
Boron-Borates
Tertiary
Gypsum-Anhydrite
Commodity type
N
Deposit
Deposit size
S
Materials
Ore minerals
Colemanite
Gangue
Gypsum
Geology
Host rock
Shale,Limestone
Associated rock
Basalt
Structure
Extensive Folding And Faulting
Economic & production
Development status
Past Producer
Production years
1899-1907
Discovery year
1898
Identification
Deposit ID
10023823
MRDS ID
I003016
Region
NA
Data score
C
Coordinates
34.75556, -119.13149
References
GALE, H.S., 1912, BORATE DEPOSITS IN VENTURA COUNTY, CALIFORNIA: USGS BULL 540, P. 434-456CIMRI