Unnamed Occurrence

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

Geologic information

Identification information

Deposit ID 10048546
MRDS ID MP00141
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -120.55981, 48.70789 (WGS84)
Elevation 1890
Relative position 1.1 MI NORTH-NORTHWEST MOUTH OF BEAUTY CREEK; ABOUT 1.4 MI SOUTHEAST OF ROBINSON MOUNTAIN

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Robinson 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)

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 037N 018E 14 CENTER OF E4 Washington

Comments on the location information

  • UNSURVEYED

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Hematite Ore
Limonite Ore

Alteration

  • (Local) Host Rock Is Silicified

Analytical data

Result GRAB ASMPLE ASSAYED 0.8 OZ/TON AU, 0.4 OZ/TON 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 Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Midnight Peak Formation
    Rock description Midnight Peak Formation
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -120.55981, 48.70789

Economic information

Ore body information

  • General form SHEAR ZONE
    Strike N
    Dip 60W
    Thickness 0.76M
    Length 24.38M
    Width 6.1M

Comments on the geologic information

  • ARGILLITE CONTAINS INTERBEDDED VOLCANIC ROCKS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Slate Creek District

Land status

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

Comments on the reserve resource information

  • STAATZ AND OTHERS INDICATE SUBMARGINAL RESERVES OF 1,000-2,000 TONS

Comments on development

  • ON BASIS OF ASSAY, DEPOSIT APPROACHES MINABLE GRADE, BUT SMALL SIZE AND DIFFICULT ACCESS MAY PRECLUDE DEVELOPMENT

Reference information

Bibliographic references

  • 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. 125

General comments

Subject category Comment text
Deposit DIMENSIONS GIVEN ARE EXPOSED SHEAR ZONE; EITHER END IS COVERED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-92 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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