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Mountain Beaver

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

Geologic information

Identification information

Deposit ID 10107742
MRDS ID D001765
Record type Site
Current site name Mountain Beaver
Alternate or previous names Mount Beaver

Geographic coordinates

Geographic coordinates: -120.32036, 48.79066 (WGS84)
Elevation 1554
Location accuracy 100(meters)
Relative position 27 MI BY ROAD FROM WINTHROP; ABOUT 1.4 MI NORTHWEST OF BURCH MOUNTAIN, Accurate? Derkey And Others Give Location As That For Billy Goat. Location Given Here Is For Mines Just North Of Billy Goat Claims Based On Description In Staatz And Others

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Billy Goat Mountain(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 038N 020E 15 NW4 OF SE4 Washington

Comments on the location information

  • UNSURVEYED. ON ISABELLA RIDGE ADJACENT TO BILLY GOAT CLAIMS. STAATZ AND OTHERS CONSIDERED MOUNTAIN BEAVER CLAIMS TO BE PART OF BILLY GOAT CLAIMS

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary
Bismuth Critical Tertiary

Comments on the commodity information

  • BI HAS BEEN REPORTED FROM PROPERTY

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Gold Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Widespread Hydrothermal Alteration

Analytical data

Result CRUDE ORE SHIPPED AVERAGE: 1.53 OZ/TON AU, 1.13 OZ/TON AG, 1.81% CU, MINOR BI. ANOTHER SHIPMENT (1934) YIELDED 4.1% CU, 2.08 OZ/TON AU, 1.9 OZ/TON AG

Mineral occurrence model information

Model code 78
USGS model code 20c
Deposit model name Porphyry Cu-Au
Mark3 model number 34

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Andesite Of Isabella Ridge;Andesite Of Isabella Ridge
    Rock description Andesite Of Isabella Ridge;Andesite Of Isabella Ridge

Nearby scientific data

(1) -120.32036, 48.79066
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Steeply Dipping Northwest-Trending Faults And Fractures. Eight Mile Creek Fault

Ore body information

  • General form STOCKWORK, DISSEMINATED

Comments on the geologic information

  • ANDESITIC HOST ROCKS ARE PART OF AN ISLAND ARC. HOLLISTER INDICATES THAT THIS IS A CU-MO PORPHYRY

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1922, 1931, 1934, 1935

Mining district

District name Billy Goat Mountain Area

Land status

Ownership category National Wilderness
Area name In Pasayten Wilderness Area In Okanogan National Forest

Production statistics

  • Year 1934
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^4.1% Cu, 2.08 Oz/Ton Au, 1.9 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 60g/mt
    Minor Ore Gold Gold 66g/mt
    Major Ore Copper Copper 4wt-pct

Comments on the production information

  • ANOTHER SMALL SHIPMENT CONTAINED 1.81% CU, 1.53 OZ/TON AU, AND 1.13 OZ/TON AG

Workings at the site

  • Type of workings Underground
    Length 144.78M

Comments on the workings information

  • 4 ADITS

Reference information

Bibliographic references

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 144.

  • 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. 238.

  • Deposit

    HOLLISTER, V.F., 1979, PROPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.

  • Deposit

    GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO. 004724N, P. 32.

  • Deposit

    STAATZ, M.H., WEIS, P.L., TABOR, R.W., ROBERTSON, J.F., VAN NOY, R.M., PATTEE, E.C., AND HOLT, D.C., 1971, MINERAL RESOURCES OF THE PASAYTEN WILDERNESS AREA, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1325, P. 114.

General comments

Subject category Comment text
Deposit MINERALIZED AGGLOMERATE. QUARTZ VEINLETS ARE AS WIDE AS 2 IN.
Deposit SEE ALSO MRDS RECORD D000669

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-75 Miller, M. H. U.S. Geological Survey
Updater 01-APR-91 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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