Review

Past Producer in Okanogan county in Washington, United States with commodities Gold, Copper
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. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10099369
MRDS ID SP00279
Record type Site
Current site name Review

Geographic coordinates

Geographic coordinates: -119.04449, 48.96623 (WGS84)
Elevation 939

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chesaw(quadrangle 1:24,000 scale)

Oroville(quadrangle 1:100,000 scale)

Okanogan(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Kettle(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 040N 030E 16 NE4 OF SW4 Washington

Comments on the location information

  • ENTRANCE ROADS AVAILABLE. ON THE EXTREME WEST FLANK OF SIERRA DE CAPILLITAS BY THE QUEBRADA ATAJO ON CERRO ATAJO.

Commodities

Commodity Importance
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Pyrite Ore
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Kobau Formation
    Rock description Kobau Formation
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -119.04449, 48.96623

Economic information

Geologic structures

Type of structure Regional
Structure description The Kobau Formation Was Deposited Proximal To Island Arcs Along A Convergent Continental Margin.

Controls for ore emplacement

  • The Vein Consists Of Quartz And Calcite With Minor Amounts Of Chalcopyrite, Pyrite, And Gold (Moen, 1980, P. 40).

Comments on the geologic information

  • THE VEIN IS IN GREENSTONES 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

Mining district

District name Myers Creek

Comments on the production information

  • MINED IN 1878-1880
  • ACCORDING TO LANDES AND OTHERS (1902, P. 27), A SMELTER TEST, CONSISTING OF 50 TONS OF ORE, AVERAGED 0.86 OZ/TON AU.

Comments on the reserve resource information

  • CARMEN: 63,000 T IND, AU 9.18 G/T, WO3 O.1%; MARIA EUGENIA 235,000 T IND, CU 4.2%, AU 0.5 G/T, AG 60 G/T

Comments on development

  • EXPL.COM: FABRICACIONES MILITARES (1940'S); SERVICIO MINERO NACIONAL & AGENCIA JAPONESA DE CORPORACION INTERNACIONAL (1975) ; TOTAL$: 2.5 ; ECON.COM: 10% ROYALITY

Reference information

Bibliographic references

  • Deposit

    DERKEY, R.E.; JOSEPH, N.L.; LASMANIS, R., 1990, METAL MINES OF WASHINGTON-PRELIMINARY REPORT: STATE OF WASHINGTON, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, 577 P.

  • Deposit

    HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.

  • Deposit

    LANDES, HENRY; THYNG, W.S.; LYON, D.A.; ROBERTS, MILNOR, 1902, ANNUAL REPORT FOR 1901, IN SIX PARTS; PART-II THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY, 123 P.

  • Deposit

    MOEN, W.S., 1980, MYERS CREEK AND WAUCONDA MINING DISTRICTS OF NORTHEASTERN OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 73, 96 P., 6 PL.

General comments

Subject category Comment text
Deposit CARMEN: N 30 W, 85 SW, 300 M LONG - GRANDE AND MARIA EUGENIA: N 45 W, 75 NE, 500 M LONG - TRIUNFO: N 70 W, 80 NE TO 80 SW, 500 M LONG (2) ABOUT 4.8 KM W OF MARIA EUGENIA. HAS ASSAYS UP TO 60 OZ/TON AG AND 1 OZ/TON AU.
Deposit TWO ADITS, 360 AND 813 FEET IN LENGTH, RESPECTIVELY, WERE DRIVEN INTO THE HILLSIDE TO INTERSECT THE VEIN AT DEPTH (MOEN, 1980, P. 40). ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1991 Berger, Mary A. U.S. Geological Survey
Updater 01-JAN-1994 Frank, Dave U.S. Geological Survey

Beyond USGS

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