The Opp is a gold, silver, copper, and lead mine located in Jackson county, Oregon at an elevation of 2,300 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: 2,300 Feet (701 Meters)
Commodity: Gold, Silver, Copper, Lead
Lat, Long: 42.31194, -122.99694
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.
Opp MRDS details
Site Name
Primary: Opp
Secondary: Demmer
Secondary: Winkler
Secondary: Gold Canyon
Secondary: U. S. Government Land
Commodity
Primary: Gold
Primary: Silver
Primary: Copper
Primary: Lead
Tertiary: Tellurium
Location
State: Oregon
County: Jackson
District: Jacksonville
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
Type: Underground
Ownership
Not available
Production
Year: 1942
Time Period: 1900-1942
Material type: ORE
Description: Cp_Grade: ^ 0.18 Oz/Ton Ag
Year: 1942
Time Period: 1925-1942
Material type: ORE
Description: Cp_Grade: ^0.10 Oz/Ton Au
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Petzite
Ore: Gold
Gangue: Calcite
Gangue: Quartz
Gangue: Chlorite
Comments
Comment (Geology): IN SOME PLACES THE VEINS ARE QUARTZ-ARGILLITE BRECCIAS CEMENTED BY QUARTZ, CALCITE, AND MINOR PYRITE ; GEOL.DESC: COUNTRY ROCKS ARE SILICEOUS ARGILLITE WITH SOME CHLORITE AND PYRITE.
Comment (Deposit): RECORD NUMBER (M013884) MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.
Comment (Deposit): 3 MAJOR VEINS
Comment (Workings): 18 ADITS TOTALLING 7000 FT
References
Reference (Deposit): BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 260
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1943, ODGMI BULL. 14-C, VOL. 2, SEC. 2, P. 133
Reference (Production): USBM
Oregon Gold
"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.
