The Black Arrow Ranch Deposit 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
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Black Arrow Ranch Deposit MRDS details
Site Name
Primary: Black Arrow Ranch Deposit
Commodity
Primary: Chromium
Location
State: California
County: Placer
District: Dry Creek Area
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Black Arrow Ranch Co.
Years: 1918 -
Owner Name: F. W. Mcnear
Years: 1918 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
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
Not available
Materials
Ore: Chromite
Comments
Comment (Deposit): ORE CONSISTED OF "LEOPARD ORE " (NODULAR ORE), MASSIVE ORE AND BLOCKS OF FLOAT, SOME 3 FT DIAMETER. ORE OCCURRED AS SMALL LENSES 6 IN TO 3.5 FT WIDE
Comment (Workings): WORKED BY INCLINED SHAFT 50 FT. DEEP AND SEVERAL SMALL OPEN CUTS.
Comment (Geology): GEOL.DESC: ORE OCCURRED AS SMALL LENSES 6 INCHES TO 3 1/2 FT. WIDE. ORE EXPOSED IN WORKINGS IN 1918 CONSISTED OF "LEOPARD ORE" (NODULAR ORE) CONTAINING ABOUT 40% CR2O3 BUT SOME MASSIVE ORE FOUND IN THE CUTS AND AS FLOAT. SOME OF THE BLOCKS OF FLOAT WERE AS MUCH AS 3 FT. IN DIAMETER.
References
Reference (Production): CDMG BULL 134, PT.3, CHAPT. 5, P. 200
Reference (Deposit): DOM BULL. 134, PT. 3, CHAP. 5, P. 200, 233, PL. 13
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.
