Lockwood Pyrite Mine

Occurrence in Snohomish county in Washington, United States with commodities Gold, Copper, Iron, Sulfur, Silver, Zinc
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. Mining district
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10095350
MRDS ID M025700
Record type Site
Current site name Lockwood Pyrite Mine
Related records 10056110, 10277118

Geographic coordinates

Geographic coordinates: -121.71789, 47.96287 (WGS84)
Elevation 617
Relative position ABOUT 1.6 MI SOUTHWEST OF CULMBACK DAM ON SULTAN RIVER

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wallace Lake(quadrangle 1:24,000 scale)

Skykomish River(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Skykomish(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Washington Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 029N 008E 25,30,31,32,36 NE4 (36) Washington

Comments on the location information

  • SOUTHERN WALL OF CANYON ON NORTH SIDE OF BLUE MOUNTAIN

Commodities

Commodity Importance
Gold Primary
Copper Primary
Iron Primary
Sulfur Primary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Barite Gangue
Quartz Gangue
Sericite Gangue

Analytical data

Result ASSAYS OF MORE THAN 150 SAMPLES GAVE 10-43% FE, 9-46%S
Result OTHER ASSAYS SHOWED 0.05-0.2 OZ/TON AU, 0.4-0.9 OZ/TON AG (HUNTTING).

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Western Melange Belt;Western Melange Belt
    Rock description Western Melange Belt;Western Melange Belt

Nearby scientific data

(1) -121.71789, 47.96287

Economic information

Ore body information

  • General form MASSIVE
    Thickness 22.86M
    Length 914.4M
    Width 152.4M

Comments on the geologic information

  • DERKEY AND OTHERS (1993) BELIEVED THAT HOST ROCKS ARE JURASSIC

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Medium
Significant No

Mining district

District name Sultan District

Ownership information

  • Type Operator
    Owner Kennecott Corp., Island-Arc Resources Corp., Formosa Resources Corp.
    First year 1992
  • Type Owner
    Owner State Of Washington
    Home office Washington

Workings at the site

  • Type of workings Surface/Underground
    Length 68.58M

Comments on the workings information

  • 2 ADITS, 35 OPEN CUTS, PITS, AND TRENCHES

Comments on development

  • DRILLING BEING UNDERTAKEN IN 1992

Reference information

Bibliographic references

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 201.

  • Deposit

    CARITHERS, WARD, AND GUARD, A.K., 1945, GEOLOGY AND ORE DEPOSITS OF THE SULTAN BASIN, SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 36, P. 79-86.

  • Deposit

    DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 357.

  • Deposit

    DERKEY, R.E., GULICK, C.W., AND LINGLEY, W.S., JR., 1993, WASHINGTON'S MINERAL INDUSTRY - 1992: WASHINGTON GEOLOGY, V. 21, NO. 1, P. 3-25.

  • Reserve-Resource

    CARITHERS AND GUARD

General comments

Subject category Comment text
Deposit SPHALERITE IS PRESENT IN THIN DISCONTINUOUS BANDS AND LENSES COMMONLY ACCOMPANIED BY CHALCOPYRITE. MOST OF DEPOSIT IS PYRITIC MASSIVE SULFIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-JUN-1992 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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