Sheep Mountain

Occurrence in Okanogan county in Washington, United States with commodities Molybdenum, Gold, Silver, Copper
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. Economic information about the deposit and operations
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10090586
MRDS ID D000677
Record type Site
Current site name Sheep Mountain
Alternate or previous names Molly, Dodd, Jim Dodd, Boundary, Barker Brown

Geographic coordinates

Geographic coordinates: -120.38426, 48.97539 (WGS84)
Elevation 2309
Relative position 1.75 MI SOUTH OF CANADIAN BORDER; ABOUT 0.2 MI NORTHWEST OF SHEEP LAKE

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ashnola Mountain(quadrangle 1:24,000 scale)

Robinson Mountain(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Similkameen(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)

Pasayten Wilderness(Wilderness)

Wilderness 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 040N 020E 08,17 SW4 (08); NW4 (17) Washington

Comments on the location information

  • UNSURVEYED. ON SOUTH SLOPE AND EAST SIDE OF SHEEP MOUNTAIN.

Commodities

Commodity Importance
Molybdenum Primary
Gold Tertiary
Silver Tertiary
Copper Tertiary

Materials information

Materials Type of material
Gold Ore
Molybdenite Ore
Pyrite Ore

Alteration

  • (Local) Host Rocks Locally Hydrothermally Altered

Analytical data

Result SAMPLES OF MINERALIZED MATERIAL CONTAINED ONLY TRACES OF MO, AU, AND AG (SEE STAATZ AND OTHERS)

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Hornblende Gneiss Of The Sheep Mountain Area;Granodiorite Gneiss Complex Of The Quartz Mountain Area
    Rock description Hornblende Gneiss Of The Sheep Mountain Area;Granodiorite Gneiss Complex Of The Quartz Mountain Area

Nearby scientific data

(1) Mesozoic granitic rocks, undivided

Economic information

Ore body information

  • General form DISSEMINATED IN LENSES
    Strike N30-35W
    Dip 20SW-VERTICAL
    Thickness 1.52M
    Length 15.24M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1906
Discoverer S. Walters, J.M. Dodd, C.E. Perry

Land status

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

Ownership information

  • Type Owner
    Owner J. J. Sullivan, Orin And Lester Dodd
    First year 1942

Comments on the reserve resource information

  • IN 1954 PURDY INDICATED THERE WAS NO COMMERCIAL VALUE TO MOLYBDENUM ORE

Comments on the workings information

  • OPEN CUTS, TRENCH, 60 FT ADIT, AND OTHER ADITS

Reference information

Bibliographic references

  • Deposit

    PURDY, C.P., JR., 1954, MOLYBDENUM OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATION 18, P. 48-50.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 271.

  • Deposit

    STOFFEL, K.L., AND MCGRODER, M.F., 1990, GEOLOGIC MAP OF THE ROBINSON MTN. 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, SCALE 1:100,000.

  • 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. 100-103.

General comments

Subject category Comment text
Deposit 3 PARALLEL QUARTZ LENSES 4 IN.-5 FT THICK PLUS NARROW DISCONTINUOUS QUARTZ-RICH PEGMATITES AND VEINS. THE TYPE OF DEPOSIT IS UNKNOWN
Deposit MRDS RECORD W017838 HAS BEEN MERGED WITH THIS RECORD AND DELETED

Reporter information

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

Beyond USGS

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