The Roupe Property is a chromium mine located in Sierra county, California at an elevation of 4,150 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: 4,150 Feet (1,265 Meters)
Commodity: Chromium
Lat, Long: 39.48306, -120.99278
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.
Roupe Property MRDS details
Site Name
Primary: Roupe Property
Secondary: Camptonville Property
Secondary: Big Chance
Secondary: Big Chrome
Commodity
Primary: Chromium
Location
State: California
County: Sierra
District: Brandy City Area
Land Status
Land ownership: National Forest
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: Roupe, R. J. And W. B.
Home Office: Camptonville, Ca.
Years: 1942 -
Production
Year: 1917
Time Period: 1914-1917
Material type: ORE
Description: Cp_Grade: ^42-43% Cr2o3
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1914
Year Last Production: 1942
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
Type: L
Description: Serpentine Is Highly Sheared.
Alterations
Not available
Rocks
Name: Serpentinite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: ORE AVGERAGED 42-44% CR203
Materials
Ore: Chromite
Comments
Comment (Deposit): TWENTY OR MORE ORE BODIES FOUND SCATTERED FOR APPROX. 700 FT ALONG AN IRREGULAR ZONE WITH ABOVE ATTITUDES. EACH ORE BODY AVERAGES THE ABOVE DIMENSIONS.
Comment (Reserve-Resource): CDMG BULL 134, PT. 3, CHAPT. 5, P. 259
Comment (Location): PROPERTY APPROX. 100 FT FROM THE ROAD BETWEEN CAMPTONVILLE AND BRANDY CITY, CA.
Comment (Workings): WORKINGS CONSISTED OF 22 SMALL OPEN CUTS AND 3 SHALLOW SHAFTS. (1942)
References
Reference (Production): CDMG BULL 134, PT. 3, CHAPT. 5, P. 259
Reference (Deposit): RYNEARSON, G.A., 1953, CDMG BULL 134, PT. 3, CHAPT. 5, P. 258, 259, 317
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.
