Independence

Producer in Grant county in Oregon, United States with commodities Gold, Silver, Copper, Zinc, Arsenic
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10032975
MRDS ID M014808
Record type Site
Current site name Independence
Alternate or previous names Cougar - Independence Group
Related records 10201095

Geographic coordinates

Geographic coordinates: -118.40577, 44.85402 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Granite(quadrangle 1:24,000 scale)

Bates(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork John Day(hydrologic unit)

John Day(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Umatilla National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 008S 035E 22 Oregon

Comments on the location information

  • ABOUT 3 1/2 MILES NORTH OF GRANITE

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary
Zinc Critical Tertiary
Arsenic Critical Tertiary

Comments on the commodity information

  • FILLING 3-6 FEET WIDE IS ARGILLITE BRECCIA AND GAUGE, CEMENTED BY DOLOMITE AND QUARTZ. VEIN IN ARGILLITE

Materials information

Materials Type of material
Pyrargyrite Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore

Analytical data

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

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Bald Mountain Batholith
    Rock description Bald Mountain Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Early Triassic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Elkhorn Ridge Argillite
    Rock description Elkhorn Ridge Argillite

Nearby scientific data

(1) -118.40577, 44.85402

Economic information

Ore body information

  • Strike N 50 DEG E
    Dip 65 DEG S
    Width 1.83M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

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

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Granite

Land status

Ownership category
Area name Umatilla National Forest

Ownership information

  • Type Operator
    Owner W. A. Bowes And Associates
    Home office Steamboat Springs, Co.
    First year 1969

Comments on the production information

  • 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.

Comments on the workings information

  • 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.

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1941, ODGMI BULL 14-B, P.47

  • Deposit

    BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON, ODGMI BULL. 61, P.79

  • Deposit

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

  • Deposit

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-APR-1980 Bradley, Robin (Walker, George W.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references