Independence

The Independence is a gold, silver, and copper mine located in Grant county, Oregon.

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: Independence  

State:  Oregon

County:  Grant

Elevation:

Commodity: Gold, Silver, Copper

Lat, Long: 44.85417, -118.40472

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 Independence

Independence MRDS details

Site Name

Primary: Independence
Secondary: Cougar - Independence Group


Commodity

Primary: Gold
Primary: Silver
Primary: Copper
Tertiary: Zinc
Tertiary: Arsenic


Location

State: Oregon
County: Grant
District: Granite


Land Status

Administrative Organization: Umatilla National Forest


Holdings

Not available


Workings

Not available


Ownership

Owner Name: W. A. Bowes And Associates
Home Office: Steamboat Springs, Co.
Years: 1969 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
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

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Early Triassic

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: AND 0.09 % SB
Analytical Data: 1.0 % AS
Analytical Data: 0.67 % ZN
Analytical Data: 0.02 % PB
Analytical Data: 0.03 % CU
Analytical Data: 5.76 OZ/TON AG
Analytical Data: SIX DUMP SAMPLES TAKEN BY YOUNG (1979) HAVE AN ARITHMATIC AVERAGE OF 0.98 OZ/TON AU


Materials

Ore: Pyrargyrite
Ore: Tetrahedrite
Ore: Pyrite
Ore: Sphalerite


Comments

Comment (Workings): DEVELOPED BY 1100 FOOT CROSSCUT ADIT AND 3 DRIFT LEVELS TOTALING 2500 FEET. SPORADIC OUTPUT FROM 1907 TO 1940 TOTALS 3,202.19 OUNCES GOLD, 14,582 OUNCES SILVER, AND 4,724 POUNDS COPPER FROM ABOUT 9,500 TONS OF ORE.

Comment (Location): ABOUT 3 1/2 MILES NORTH OF GRANITE

Comment (Production): SPORADIC OUTPUT FROM 1907 TO 1940 TOTALS 3,202.19 OUNCES GOLD, 14,582 OUNCES SILVER, AND 4,724 POUNDS COPPER FROM ABOUT 9,500 TONS OF ORE.

Comment (Commodity): FILLING 3-6 FEET WIDE IS ARGILLITE BRECCIA AND GAUGE, CEMENTED BY DOLOMITE AND QUARTZ. VEIN IN ARGILLITE

Comment (Geology): GEOL.DESC: NUMEROUS LIGHT COLORED DIKES 2 TO 4 FT. WIDE. FILLING IS ARGILLITE BRECCIA AND GOUGE, CEMENTED BY DOLOMITE AND QUARTZ.


References

Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941, ODGMI BULL 14-B, P.47

Reference (Deposit): BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON, ODGMI BULL. 61, P.79

Reference (Deposit): KOCH, G.S., 1959, LODE MINES OF THE CENTRAL PART OF THE GRANITE MINING DISTRICT, GRANT COUNTY, OREGON; ODGMI BULL. 49, P.33

Reference (Deposit): YOUNG, J.S., 1979, PARAGENESIS AND GEOCHEMISTRY OF THE GRANITE GOLD DISTRICT, GRANT COUNTY, OREGON; COLORADO STATE UNIV. MS. THESIS


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.