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Copper Castle Prospect

Occurrence in Whatcom county in Washington, United States with commodity Gold
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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. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10095755
MRDS ID M700024
Record type Site
Current site name Copper Castle Prospect
Alternate or previous names Helms Prospect
Related records 10228480

Geographic coordinates

Geographic coordinates: -120.72453, 48.7426 (WGS84)
Elevation 1402
Relative position 3 MI NORTHWEST OF HARTS PASS

Site location context

Political divisions (FIPS codes)

Whatcom(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Slate Peak(quadrangle 1:24,000 scale)

Robinson Mountain(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Skagit(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Okanogan-Wenatchee 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 Whatcom

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 037N 017E 03 NW4 Washington

Comments on the location information

  • UNSURVEYED. 0.75 MI WEST OF CONFLUENCE OF SLATE AND BONITA CREEKS

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result ORE REPORTEDLY RAN SEVERAL HUNDRED DOLLARS/TON

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 Sedimentary Rock > Clastic Sedimentary Rock
    Rock unit name Harts Pass Group, Harts Pass Formation
    Rock description Harts Pass Group, Harts Pass Formation
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -120.72453, 48.7426
ListMap

Economic information

Ore body information

  • General form VEIN

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1935

Mining district

District name Slate Creek District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Comments on the production information

  • ORE REPORTEDLY CONTAINED SEVERAL HUNDRED DOLLARS PER TON IN GOLD-RECOVERY BY MILLING ORE PROVED TO BE UNSUCCESSFUL. NO PRODUCTION RECORD FOUND.

Comments on the workings information

  • DRIFTING ALONG VEIN. CRUDE MILL WAS USED ON PROPERTY

Reference information

Bibliographic references

  • Deposit

    MOEN, W.S., 1969, INVENTORY OF WASHINGTON MINERALS, PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY, BUL. 37, P 119.

  • Deposit

    STOFFEL, K.L., AND MCGRODER, M.F., 1990, GEOLOGIC MAP OF THE ROBINSON MTN. 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, SCALE 1:100,000.

General comments

Subject category Comment text
Deposit Discovery Year: MID 1930'S
Deposit VEIN WITH SMALL POCKET OF ORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-81 Caress, Mary E. (Evarts, Russ) 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.

Maps centered on this site