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  3. Mineral Resource Data System (MRDS)

Gold Key

Past Producer in Okanogan county in Washington, United States with commodities Gold, Copper
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10048527
MRDS ID MP00117
Record type Site
Current site name Gold Key
Related records 10055987

Geographic coordinates

Geographic coordinates: -120.4023, 48.59955 (WGS84)
Elevation 732
Relative position ABOUT 0.5 MI NORTH OF MAZAMA

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mazama(quadrangle 1:24,000 scale)

Robinson Mountain(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Methow(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Okanogan-Wenatchee 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 Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 036N 020E 30 NEAR NW CORNER Washington

Comments on the location information

  • ABOUT 1000 FT NORTHWEST OF UPPER WORKINGS OF MAZAMA PRIDE MINE

Commodities

Commodity Importance
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Calcite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Fawn Peak Stock;Fawn Peak Stock
    Rock description Fawn Peak Stock;Fawn Peak Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Midnight Peak Formation
    Rock description Midnight Peak Formation

Nearby scientific data

(1) -120.4023, 48.59955
ListMap

Economic information

Ore body information

  • General form STRINGERS, STOCKWORK

Comments on the geologic information

  • FAWN PEAK STOCK IS INTRUSIVE EQUIVALENT OF MIDNIGHT PEAK FORMATION

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Mazama District

Ownership information

  • Type Owner
    Owner Sharp, Alva
    Home office Mazama, Wa
    First year 1956

Production statistics

  • Year 1931
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^0.7 Oz/Ton Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 20g/mt

Workings at the site

  • Type of workings Unknown
    Length 38.1M

Comments on the workings information

  • ADIT, WINZE

Reference information

Bibliographic references

  • Deposit

    DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 199.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLET8IN 37, V. 1, P. 140.

  • Production

    HUNTTING, 1956

General comments

Subject category Comment text
Deposit VEINS ARE PERIPHERAL TO PORPHYRY COPPER MINERALIZATION OF MAZAMA DEPOSIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1992 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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