The Green Deposit, Farmer Property is a chromium mine located in Placer county, California.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Green Deposit, Farmer Property MRDS details
Site Name
Primary: Green Deposit, Farmer Property
Secondary: Americus Deposit
Commodity
Primary: Chromium
Location
State: California
County: Placer
District: Gas Canyon Area
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: R. H. Farmer, J. G. Dodds
Years: 1918 -
Owner Name: R. H. Farmer
Years: 1918 -
Production
Year: 1920
Time Period: Pre-1920
Material type: ORE CR
Description: Cp_Grade: ^21.1 % Cr2o3
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: LENSE
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: 12.0 % SIO2
Analytical Data: ORE 21.1 % CR2O3
Materials
Ore: Chromite
Comments
Comment (Deposit): ORE OCCURRED AS A SERIES OF SMALL LENSES WITH ABOVE STRIKE.
Comment (Workings): WORKINGS CONSISTED OF A 24 FT DEEP SHAFT WITH 12 FT OF SHORT DRIFTS AT BOTTOM.
Comment (Geology): GEOL.DESC: ORE OCCURRED AS A SERIES OF SMALL LENSES STRIKING ABOUT N. 35 DEG. W. NO ORE EXPOSED IN WORKINGS IN 1917.
References
Reference (Deposit): DOM BULL. 134, PT. 3, CHAP. 5, P. 229, PL. 13
Reference (Deposit): DOM BULL. 76, P. 161
Reference (Deposit): SOUTHERN PACIFIC CO., MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2, P. 13-15
Reference (Production): CDMG BULL 134, PT. 3, CHAPT. 5, P. 201
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
