Four Metals

Past Producer in Okanogan county in Washington, United States with commodities Lead, Silver, Copper, Zinc, Tungsten, Molybdenum
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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10055983
MRDS ID SP00214
Record type Site
Current site name Four Metals
Alternate or previous names Mammoth ?
Related records 10180432

Geographic coordinates

Geographic coordinates: -119.66562, 48.94817 (WGS84)
Elevation 354

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nighthawk(quadrangle 1:24,000 scale)

Oroville(quadrangle 1:100,000 scale)

Okanogan(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

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 040N 025E 22,23 Washington

Comments on the location information

  • ON THE SOUTH SLOPE OF LITTLE CHOPAKA MOUNTAIN, ON THE SIMILKAMEEN RIVER.

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Primary
Zinc Critical Primary
Tungsten Critical Primary
Molybdenum Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Galena Ore
Molybdenite Ore
Scheelite Ore
Sphalerite Ore
Epidote Gangue
Garnet Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -119.66562, 48.94817

Economic information

Geologic structures

Type of structure Regional
Structure description The Sediments And Volcanic Materials Of The Kobau Formation Were Deposited Proximal To An Island Arc Along A Convergent Continental Margin.

Controls for ore emplacement

  • A Vein Striking N7w And Dipping 32-37w Is In Granodiorite At Its Contact With A Roof Pendant (Patty, 1921, P. 233; Rinehart And Fox, 1972).

Comments on the geologic information

  • THE DEPOSIT IS A VEIN IN THE SIMILKAMEEN COMPOSITE PLUTON AT OR NEAR THE CONTACT WITH QUARTZITE (CHERT), LIMESTONE, AND GREENSTONE (HORNBLENDE SCHIST) OF THE KOBAU FORMATION OF PERMIAN OR TRIASSIC (?) AGE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Comments on the production information

  • PRODUCED 20 OR MORE CARLOADS OF HIGH-GRADE ORE AND CONCENTRATES BETWEEN 1918 AND 1921; 600 TONS WERE MILLED IN 1939 (HUNTTING, 1956, P. 219).

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit TWO SHAFTS AND THREE ADITS ARE PRESENT AT THE PROPERTY (RINEHART AND FOX, 1972). ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1991 Berger, Mary A. U.S. Geological Survey
Updater 01-AUG-1993 Frank, Dave U.S. Geological Survey

Beyond USGS

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

External references