Gray Mare Prospect

Occurrence in Snohomish county in Washington, United States with commodities Silver, Zinc, Gold, Copper, Lead, Antimony
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. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10036801
MRDS ID M025717
Record type Site
Current site name Gray Mare Prospect
Alternate or previous names Old Gray Mare, Whitehorse
Related records 10156898

Geographic coordinates

Geographic coordinates: -121.66983, 48.23009 (WGS84)
Elevation 671
Location accuracy 500(meters)
Relative position 9 MI FROM DARRINGTON ON WHITEHORSE MOUNTAIN; ABOUT 1 MI NORTH OF SUMMIT OF WHITEHORSE MOUNTAIN

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Whitehorse Mountain(quadrangle 1:24,000 scale)

Sauk River(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Stillaguamish(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Mt. Baker-Snoqualmie National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Boulder River Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 032N 009E 29 SE4 Washington

Comments on the location information

  • POSSIBLY LOCATED IN N/4 SEC. 30

Commodities

Commodity Importance
Silver Primary
Zinc Critical Primary
Gold Primary
Copper Primary
Lead Tertiary
Antimony Critical Tertiary

Comments on the commodity information

  • THERE MAY BE CONSIDERABLE LOW-GRADE ORE

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore

Analytical data

Result ASSAYS SHOWED 15-245 OZ/TON AG, 20-70% PB, 1-3% ZN, 0.3-9.8% SB, 0.01 OZ/TON AU, 0.34% AS.

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
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Eastern Melange Belt;Eastern Melange Belt
    Rock description Eastern Melange Belt;Eastern Melange Belt

Nearby scientific data

(1) -121.66983, 48.23009

Economic information

Ore body information

  • General form MINERALIZED BRECCIA

Comments on the geologic information

  • UNCERTAIN WHETHER DIORITE IS PART OF SQUIRE CREEK STOCK AND RELATED ROCKS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Wilderness
Area name In Boulder River Wilderness In Mount Baker National Forest

Comments on the workings information

  • 50 FT ADIT, ANOTHER SHORT ADIT, SOME SURFACE WORKINGS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit COLLAPSE BRECCIA
Deposit MRDS RECORD D001711 HAS BEEN MERGED WITH THIS RECORD AND DELETED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-MAR-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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