Iron Cap Prospect

Occurrence in Whatcom county in Washington, United States with commodities Gold, Silver, 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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10095756
MRDS ID M700053
Record type Site
Current site name Iron Cap Prospect
Related records 10204681

Geographic coordinates

Geographic coordinates: -121.66735, 48.84425 (WGS84)
Elevation 1448
Location accuracy 1000(meters)
Relative position ABOUT 45 MI EAST OF BELLINGHAM. 3 MI NORTHWEST OF MT. SHUKSAN SUMMIT; ABOUT 1 MI SOUTHEAST OF AUSTIN PASS

Site location context

Political divisions (FIPS codes)

Whatcom(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Shuksan Arm(quadrangle 1:24,000 scale)

Mount Baker(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Nooksack(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)

Mount Baker Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Whatcom

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 039N 009E 29 NE4 Washington

Comments on the location information

  • UNSURVEYED. ON SHUKSON ARM

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Tertiary

Materials information

Materials Type of material
Pyrite Ore
Pyrrhotite Ore

Alteration

  • (Local) Pyritization, Silicified

Analytical data

Result 1934 ASSAY: 0.4 O/TONZ AU. 7 REPRESENTATIVE SAMPLES: TR GOLD, 0.02-0.14 OZ/TON AG, AND 0.05% CU. AN ASSAY VALUE OF $16/TON AU IS ALSO REPORTED.

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 > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Chilliwack Formation
    Rock description Chilliwack Formation
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -121.66735, 48.84425

Economic information

Ore body information

  • General form THIN SEAMS
    Width 804.65M
    Depth to top 0M
    Depth to bottom 304.8M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Mount Baker District

Land status

Ownership category National Forest
Area name In Mount Baker Wilderness In Mount Baker National Forest

Ownership information

  • Type Owner
    Owner William Entwistle And Associates
    Home office Seattle, Wash.
    First year 1934

Comments on the reserve resource information

  • 800,000 TON TALUS SLIDE OF PYRITIZED ROCK.

Workings at the site

  • Type of workings Underground
    Length 54.86M

Comments on the workings information

  • 2 ADITS

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. 177.

  • Deposit

    MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: :WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 87-88.

  • Deposit

    TABOR, R.W., HAUGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF THE MOUNT BAKER 30 X 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 9X-XXX, SCALE 1:100,000 (IN PREPARATION IN 1993).

General comments

Subject category Comment text
Deposit PYRITE-PYRRHOTITE SEAMS ARE 3 MM WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-81 Caress, Mary E. (Evarts, Russ) U.S. Geological Survey
Updater 01-JAN-92 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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