Copperopolis Mine

The Copperopolis Mine is a copper, silver, and gold mine located in Grant county, Oregon at an elevation of 4,921 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

Name: Copperopolis Mine  

State:  Oregon

County:  Grant

Elevation: 4,921 Feet (1,500 Meters)

Commodity: Copper, Silver, Gold

Lat, Long: 44.55806, -118.67972

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.


Satelite image of the Copperopolis Mine

Copperopolis Mine MRDS details

Site Name

Primary: Copperopolis Mine


Commodity

Primary: Copper
Primary: Silver
Primary: Gold
Tertiary: Cobalt
Tertiary: Molybdenum


Location

State: Oregon
County: Grant
District: Quartzburg


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Lee Payton
Years: 1976 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Blue Mountain Section


Mineral Deposit Model

Not available


Orebody

Form: PIPE


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Bornite
Ore: Sphalerite
Ore: Galena
Ore: Tetrahedrite
Ore: Cobaltite
Ore: Pyrite
Ore: Chalcopyrite
Gangue: Dolomite
Gangue: Quartz
Gangue: Tourmaline


Comments

Comment (Production): 250 TONS OF ORE WERE MILLED IN 1906; GRADE AND DISPOSITION OF CONCENTRATES IS NOT KNOWN.

Comment (Workings): APPROXIMATELY 3000 FT OF UNDERGROUND WORKINGS 250 TONS OF ORE WERE MILLED IN 1906; GRADE AND DISPOSITION OF CONCENTRATES IS NOT KNOWN.

Comment (Geology): SCHEELITE IS REPORTED TO OCCUR WITH SULFIDES IN THE QUARTZ-TOURMALINE BRECCIA PIPE.


References

Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941, ODGMI BULL. 14-B, P. 113

Reference (Deposit): BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON, ODGMI BULL. 61, P.

Reference (Deposit): JOHNSON, F.R., 1975, GEOLOGY OF THE QUARTZBURG MINING DISTRICT, GRANT COUNTY OREGON; OREGON STATE UNIV. MS. THESIS, P. 84

Reference (Deposit): 1976 COMPIL ODGMI SUMMARY REPOR

Reference (Production): ODGMI 1976 SUMMARY REPORT


Oregon Gold

Where to Find Gold in Oregon

"Where to Find Gold in Oregon" 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 Oregon. Read more: Where to Find Gold in Oregon.