Silver Peak

Past Producer in Douglas county in Oregon, United States with commodities Copper, Silver, Gold, Zinc, Lead, Barium-Barite
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10042920
MRDS ID M061226
Record type Site
Current site name Silver Peak

Geographic coordinates

Geographic coordinates: -123.37199, 42.84899 (WGS84)
Elevation 1006

Site location context

Political divisions (FIPS codes)

Douglas(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Quines Creek(quadrangle 1:24,000 scale)

Canyonville(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Umpqua(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 031S 006W 26 NW OF NW Oregon

Comments on the location information

  • SW 1/4 23, NW 1/4 26

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary
Zinc Critical Primary
Lead Tertiary
Barium-Barite Critical Tertiary

Comments on the commodity information

  • MASSIVE GRANULAR TO DISSEMINATED SULFIDES

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Covellite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Tennantite Ore
Barite Gangue
Quartz Gangue

Alteration

  • (Local) Sericite - Chlorite Schist

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyodacite
    Rock unit name Dothan Formation
    Rock description Dothan Formation
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Rogue Volcanics
    Rock description Rogue Volcanics

Nearby scientific data

(1) -123.37199, 42.84899

Economic information

Ore body information

  • General form LENS
    Strike NE
    Dip SE
    Width 30.48M
  • General form LENS
    Dip SE

Controls for ore emplacement

  • Near Thrust Contact With Dothan Fm.

Comments on the geologic information

  • GEOL.DESC: GREENSTONE IS SILICIFIED RHYOLITIC FLOWS & TUFFS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Production years INTERMITTENT 1926-1937

Mining district

District name Riddle

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Chevron Oil Co.
    First year 1978
  • Type Owner
    Owner Formosa Exploration, Inc

Production statistics

  • Year 1937
    Period 1926-1937
    Material ORE
    Description Cp_Grade: ^6 Cu, 5 Zn, 3.5 Ag, 0.07 Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 169g/mt
    Ore Gold Gold 20g/mt
    Ore Silver Silver 99g/mt
    Ore Zinc Zinc 141g/mt

Workings at the site

  • Type of workings Unknown
    Length 2640M

Comments on the workings information

  • 3 ADITS, WKGS 1/2 MI,

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Maureen G. U.S. Geological Survey
Updater 01-APR-1981 Ferns, Mark L. (Brooks, Howard C.) 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.