The Fraction Claim is a chromium mine located in Sierra county, California at an elevation of 4,600 feet.
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
Elevation: 4,600 Feet (1,402 Meters)
Commodity: Chromium
Lat, Long: 39.58833, -120.84028
Map: View on Google Maps
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.
Fraction Claim MRDS details
Site Name
Primary: Fraction Claim
Commodity
Primary: Chromium
Location
State: California
County: Sierra
District: Downieville Area
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: C. A. And G. B. Winrod
Owner Name: C. A., G. B. Winrod, 1942; C. L. Best Of Ruby-Oxford Mines, 1944.
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1942
Year Last Production: 1944
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: ORE AVG. 39.03 % CR203, 12.20 % FE, CR TO FE RATIO 2.19 TO 1.
Materials
Ore: Chromite
Comments
Comment (Production): TOTAL PRODUCTION 80.0 LT FROM 1942 -1944.
Comment (Deposit): DEPOSIT CONSISTED OF SEVERAL LENSES APPROX. 8 BY 6 BY 2 CUBIC FT. EACH.
Comment (Workings): WORKINGS CONSISTED (1942) OF AN OPEN CUT 40 BY 40 BY15 CUBIC FT.
References
Reference (Deposit): RYNEARSON, G. A., 1953, CDMG BULL 134, PT. 3, CHAPT.5, P. 253, 254
Reference (Production): CDMG BULL 134, PT. 3, CHAPT. 5, P. 253, 254.
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.
