Robischaud

Occurrence in Chelan county in Washington, United States with commodities Molybdenum, Copper, Gold
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. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10090582
MRDS ID D000652
Record type Site
Current site name Robischaud
Alternate or previous names Safety Harbor, Copper King

Geographic coordinates

Geographic coordinates: -120.38118, 48.14205 (WGS84)
Elevation 1981
Location accuracy 1000(meters)
Relative position ABOUT 1 MI NORTHEAST OF FERRY PEAK, Estimated In Miners Basin At Head Of Safety Harbor Creek

Site location context

Political divisions (FIPS codes)

Chelan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Prince Creek(quadrangle 1:24,000 scale)

Twisp(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lake Chelan(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 Chelan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 031N 020E 29,31 SE4 (31) Washington

Commodities

Commodity Importance
Molybdenum Primary
Copper Primary
Gold Primary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Malachite Ore
Molybdenite Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result AN ASSAY INDICATED NO AU OR AG

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 > Granitoid > Alkali-Granite (Alaskite)
    Rock unit name Cooper Mountain Batholith;Oval Peak Batholith;
    Rock description Cooper Mountain Batholith;Oval Peak Batholith;
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Skagit Gneiss Complex
    Rock description Skagit Gneiss Complex

Nearby scientific data

(1) -120.38118, 48.14205

Economic information

Ore body information

  • General form LENSES WITHIN VEIN, DISSEMINATED
    Length 609.6M
    Width 182.88M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest
Area name In Wenatchee National Forest

Reference information

Bibliographic references

  • Deposit

    PURDY, C.P, JR., 1954, MOLYBDENUM OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATIONS 18, P. 25-26.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 268.

  • 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. 31.

  • Deposit

    BUNNING, B.B., 1990, GEOLOGIC MAP OF THE EAST HALF OF THE TWISP 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-9, SCALE 1:100,000.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-74 King, Robert U. U.S. Geological Survey
Updater 01-FEB-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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