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  3. Mineral Resource Data System (MRDS)

Keystone Prospect

Occurrence in Okanogan county in Washington, United States with commodities Silver, Lead, Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10041525
MRDS ID M056600
Record type Site
Current site name Keystone Prospect

Geographic coordinates

Geographic coordinates: -119.75339, 48.57789 (WGS84)
Elevation 1402

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Conconully West(quadrangle 1:24,000 scale)

Oroville(quadrangle 1:100,000 scale)

Okanogan(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Okanogan(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management OR)

Bureau of Land Management OR BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 036N 025E 31 S2 OF NW Washington

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Gold Secondary

Comments on the commodity information

  • NO PRODUCTION

Materials information

Materials Type of material
Galena Ore
Tetrahedrite Ore
Quartz Gangue

Analytical data

Result OLD ASSAY OF ORE ON DUMP GAVE $45 AU, AG/TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Loup Loup
    Rock description Loup Loup
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Salmon Creek
    Rock description Salmon Creek

Nearby scientific data

(1) -119.75339, 48.57789
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw General Structural Trend In The Metamorphics.

Ore body information

  • General form VEIN
    Strike N 10 W
    Dip 25 E
    Width 2.44M

Controls for ore emplacement

  • Near Granodiorite-Gneiss Contact

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Overall depth 45.72M
    Overall length 45.72M

Comments on development

  • SHAFT

Reference information

Bibliographic references

  • Deposit

    WASH. DMG BULL. 37, PART II, P. 305.

  • Deposit

    WASH. DMG IC 49, P. 27

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1975 Mccoy, Gail U.S. Geological Survey
Updater 01-DEC-1982 Lawson, William A. (Evarts, Russell C.) U.S. Geological Survey

Beyond USGS

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

Maps centered on this site