Four Metals Property

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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10008897
MRDS ID D001393
Record type Site
Current site name Four Metals Property
Alternate or previous names Mammoth ?

Geographic coordinates

Geographic coordinates: -119.65118, 48.94984 (WGS84)
Elevation 354
Relative position 9.1 MILES NNW OF LOOMIS.

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)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 040N 025E 23 NE OF SW OF SW OF SW Washington

Comments on the location information

  • ON SOUTH SLOPE OF LITTLE CHOPAKA MTN, ON SIMILKAMEEN RIVER.

Commodities

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

Comments on the commodity information

  • PRODUCTION 1918-1921; 600 TONS MILLED IN 1939.

Materials information

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

Analytical data

Result EST. TO AVG $8 PB, AG, CU, ZN PER TON
Result EST 2 % WO3.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Similkameen Composite Pluton
    Rock description Similkameen Composite Pluton
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
    Rock unit name Kobau
    Rock description Kobau

Nearby scientific data

(1) -119.65118, 48.94984

Economic information

Geologic structures

Type of structure Local
Structure description Small Fault

Ore body information

  • General form PINCH AND SWELL
    Strike N07W
    Dip 32-37W
    Thickness 76.2M
    Length 1524M
    Width 3.66M

Controls for ore emplacement

  • Near Marginal Contact Of The Granodiorite And The Same Roof Pendant Of Hornblende-Mica Schist

Comments on the geologic information

  • THE SOUTH EXTENSION OF THE VEIN CARRIES INTO SCHIST, WHERE IT IS QUITE WELL MINERALIZED. ON RIDGE CREST EAST OF THE MAIN ADIT THERE IS A VEIN SET N5-10W, DIPPING 25-30W, TO 48 INCHES WIDE; THIS SET IS OFFSET 6FT BY A FAULT (N30W, 65E). AT SOUTHERNMOST WORKINGS THERE IS A VEIN 6 FT THICK (N30W, 30SW).

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Border Lord Mining Corp. (50 Year Lease From
    Home office Seattle, Wa.
    Last year 1952
  • Type Owner
    Owner James Stack, Oroville, Wa., And John Hancock, Okanogan, Wa.

Comments on the production information

  • NO RECORDED PRODUCTION OF TUNGSTEN ORE BUT THERE WAS SOME LEAD-ZINC PRODUCTION FROM THE FOUR METALS MINE

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 45.72M
    Overall length 187.45M

Comments on the workings information

  • TWO SHAFTS, 110 AND 150 FT DEEP; 3 ADITS, 340, 235, AND 140 FT LONG; AND SEVERAL OPEN CUTS.

Comments on development

  • SHAFTS, ADITS, AND OPEN CUTS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SULFIDES ARE IN RIBBON-LIKE BANDS PARALLEL TO THE WALLS WITH MINOR VALUES IN ERRATIC SPECKS AND BUNCHES SCATTERED THROUGHOUT THE QUARTZ. SCHEELITE IS CONCENTRATED IN VEIN NEAR ITS WALLS.
Deposit 11 CLAIMS INCLUDING: SILVER QUEEN, SHAMROCK, MARY, CHOPAKA, DANIELS, ALICE, AND OLLIE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Elliott, James E. U.S. Geological Survey
Updater 01-SEP-1982 Lawson, William A. (Evarts, Russell C.) U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 09-JUN-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

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