Iowa Claims

Past Producer in Snohomish county in Washington, United States with commodities Copper, Silver, Gold, Lead, 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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10042376
MRDS ID M060138
Record type Site
Current site name Iowa Claims
Alternate or previous names Mint
Related records 10056105

Geographic coordinates

Geographic coordinates: -121.4976, 47.97731 (WGS84)
Elevation 830
Location accuracy 100(meters)
Relative position 11 MI NORTH-NORTHEAST OF INDEX; ABOUT 1.7 MI WEST OF WEDEN LAKE, Accurate? Lat/Long Plot In Ne/4 Of Section Rather Than Nw/4. Descriptive Information Suggests Lat/Long May Be In Error Because Iowa Is Supposed To Be 0.5 Mi West Of Florence Rae

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monte Cristo(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

Mt. Baker-Snoqualmie National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 029N 010E 27 NW4 Washington

Commodities

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

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Malachite Ore
Molybdenite Ore
Orpiment Ore
Powellite Ore
Pyrite Ore
Pyrrhotite Ore
Realgar Ore
Scheelite Ore
Sphalerite Ore
Calcite Gangue
Chlorite Gangue
Quartz Gangue

Analytical data

Result 12.7% CU, 0.05 OZ/TON AU, 0.9 OZ/TON AG, 0.43% WO3 IN HIGH-GRADE SAMPLE.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Index Batholith;Index Batholith;Index Batholith;Eastern Melange Belt;Eastern Melange Belt
    Rock description Index Batholith;Index Batholith;Index Batholith;Eastern Melange Belt;Eastern Melange Belt

Economic information

Geologic structures

Type of structure Local
Structure description West-Northwest Trending Fractures And Veins

Ore body information

  • General form VEIN
    Strike N75W
    Dip 85N
    Length 45.72M
    Width 1.22M
    Depth to top 0M
    Depth to bottom 45.72M

Controls for ore emplacement

  • Fractures Near Contact

Comments on the geologic information

  • REGION IS COMPOSED OF ACCRETED TERRANES OVERPRINTED WITH CASCADES MAGMATISM

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1901
Discoverer George S. Moshier.
Year of first production 1915

Mining district

District name Sultan District

Land status

Ownership category National Forest
Area name In Snoqualmie National Forest

Ownership information

  • Type Operator
    Owner Robert Curtiss
    Home office Monroe, Wa.
    First year 1956
  • Type Owner
    Owner Sultan Basin Mining Co.

Comments on the production information

  • 104 TONS AVERAGE 20% CU, 0.223 OZ/TON AU, 3.23 OZ. TON AG; 43 TONS AVERAGE 14.68% CU, 0.06 OZ/TON AU AND 3.10 OZ/TON AG.

Workings at the site

  • Type of workings Underground
    Length 457.2M
    Overall depth 137.16M
    Overall length 24.38M

Comments on the workings information

  • 3 ADITS; ORE MINED FROM UPPER 2. NARROW SUBMARGINAL VEINS IN LOWEST ADIT.

Comments on development

  • VEINS ARE NARROW AND ORE IS SPOTTY.

Reference information

Bibliographic references

  • 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. 62-65.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 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. 352.

  • Deposit

    LEMMON, D.M., U.S. GEOLOGICAL SURVEY, UNPUB DATA.

  • Deposit

    KING, R.U., U.S. GEOLOGICAL SURVEY, UNPUB. DATA.

  • Deposit

    LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE UNITED STATES: U.S. GEOLOGICAL SURVEY MINERAL INVESTIGATIONS RESOURCE MAP MR-25, SCALE 1:3,168,000.

  • Deposit

    CULVER, H.E., AND BROUGHTON, W.A., 1945, TUNGSTEN RESOURCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY BULLETIN 34, P. 56.

  • Deposit

    1943 GEOLMAP WASHINGTON DIV. OF MINES AND GEOLOGY REAL MAP

  • Production

    WASH. DIV. MINES AND GEOL. BULL. 36

General comments

Subject category Comment text
Deposit MINERALIZED FRACTURE ZONES
Deposit PART OF SULTAN BASIN MINING CO. PROPERTY. SEE ALSO MRDS RECORDS M025677, M025753. MRDS RECORDS D001417, D000687, M025754 HAVE BEEN MERGED WITH THIS RECORD AND DELETED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-73 Puffett, Willard P. U.S. Geological Survey
Updater 01-APR-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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