The Sweeney Prospect is a copper, gold, and silver mine located in Modoc county, California at an elevation of 5,200 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: 5,200 Feet (1,585 Meters)
Commodity: Copper, Gold, Silver
Lat, Long: 41.90806, -120.14167
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.
Sweeney Prospect MRDS details
Site Name
Primary: Sweeney Prospect
Commodity
Primary: Copper
Primary: Gold
Primary: Silver
Location
State: California
County: Modoc
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Unknown
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: VEINS
Structure
Not available
Alterations
Not available
Rocks
Name: Rhyolite
Role: Host
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Analytical Data: AVERAGE ASSAYS $10-15/TON AU+AG, 1% CU. PICKED PIECE ASSAYED $137/TON
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Deposit): 3 VEINS. THE TYPE OF DEPOSIT IS UNKNOWN; USGS MODEL MAY ALSO BE 25A: HOT-SPRING AU-AG.
Comment (Location): ON SOUTHEAST SLOPE OF BIDWELL PEAK AT NORTH END OF SURPRISE VALLEY
Comment (Workings): 200 FT TUNNEL
References
Reference (Deposit): AVERILL, C.V., 1929, MODOC COUNTY, IN 25TH REPORT OF THE STATE MINERALOGIST: CALIFORNIA DIVISION OF MINES AND MINING, P. 16
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.
