Silver Creek Prospect

Occurrence in Whatcom county in Washington, United States with commodities Copper, Molybdenum, Gold, Silver, Tungsten
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. Geologic structures
  13. Ore body information
  14. Economic information about the deposit and operations
  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 10047804
MRDS ID M700088
Record type Site
Current site name Silver Creek Prospect
Alternate or previous names Davis Prospect, Ross, Claims: Weezie Nos. 1-11

Geographic coordinates

Geographic coordinates: -121.13344, 48.97288 (WGS84)
Elevation 884
Location accuracy 1000(meters)
Relative position 2 MI SOUTH OF CANADA WEST OF ROSS LAKE; 1.5 MI WEST OF SKAGIT RIVER (ROSS LAKE); ABOUT 4.5 MI EAST OF SILVER LAKE, Estimated From Description And Map In Staatz And Others And From Description In Moen

Site location context

Political divisions (FIPS codes)

Whatcom(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Spickard(quadrangle 1:24,000 scale)

Mount Baker(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

North Cascades National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Washington Whatcom

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 040N 013E 05,08 SE4 (05) OF NE4 (08) Washington

Comments on the location information

  • UNSURVEYED. ON EASTERNMOST SOUTH-FLOWING TRIBUTARY OF SILVER CREEK ABOUT 150 FT ABOVE CREEK LEVEL. CLAIMS LIE ON BOUNDARY BETWEEN THE TWO SECTIONS (STAATZ AND OTHERS)

Commodities

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

Comments on the commodity information

  • CLAIM ORIGINALLY STAKED FOR GALENA. LATER REFERENCES DO NOT MENTION PRESENCT OF GALENA

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Covellite Ore
Molybdenite Ore
Pyrite Ore
Pyrrhotite Ore
Biotite Gangue
Chlorite Gangue
Epidote Gangue
Kaolinite Gangue
Orthoclase Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Host Rocks Are Bleached And Silicified

Analytical data

Result CHIP SAMPLE AT FACE OF ADIT SHOWED NO AU, 0.40 OZ/TON AG, 1.50% CU, 0.15% MOLYBDENITE. IN OPEN CUT ORE IS ESTIMATED TO CARRY 1% MOLYBDENITE AND 2-3% CU. SEE STAATZ AND OTHERS (P. 56) FOR ADDITIONAL ANALYTICAL INFORMATION

Mineral occurrence model information

Model code 79
USGS model code 21a
Deposit model name Porphyry Cu-Mo
Mark3 model number 2

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Rock unit name Volcanic Rocks Of Mount Rahm
    Rock description Volcanic Rocks Of Mount Rahm
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Chilliwack Composite Batholith, Tonalite And Granodiorite Of Perry Creek
    Rock description Chilliwack Composite Batholith, Tonalite And Granodiorite Of Perry Creek

Nearby scientific data

(1) -121.13344, 48.97288

Economic information

Geologic structures

Type of structure Local
Structure description Some E-W Fracturing

Ore body information

  • General form PODS, DISSEMINATED, VEINLETS
    Thickness 3.05M
    Length 73.15M
    Width 60.96M

Comments on the geologic information

  • HOLLISTER INDICATES METALLOGENY AND ALTERATION ARE SIMILAR TO THAT AT GLACIER PEAK. MOST OF WORKINGS ARE IN VOLCANIC BRECCIA

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1913
Discoverer L. Darrow And Others

Land status

Ownership category National Park
Area name In North Cascades National Park

Ownership information

  • Type Operator
    Owner Inland Copper Ltd, Vancouver, B. C., Canada
    First year 1967

Comments on the reserve resource information

  • IN 1954 PURDY STATED THAT DEPOSIT CONTAINED NOTHING OF COMMERCIAL VALUE WITH RESPECT TO MOLYBDENUM ORE.

Workings at the site

  • Type of workings Surface/Underground
    Length 25.91M

Comments on the workings information

  • 85 FT ADIT, OPEN CUTS, DIAMOND DRILL HOLES IN 1966-1967

Comments on development

  • PRESENT CLAIMS WERE RELOCATED IN 1965 BY GRANT, WHO UNDERTOOK LIMITED EXPLORATION. DEPOSIT IS PROBABLY TOO SMALL TO BE ECONOMIC (STAATZ AND OTHERS)

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. 274.

  • Deposit

    HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.

  • Deposit

    MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 76-77.

  • Deposit

    PURDY, C.P., JR., 1954, MOLYBDENUM OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATIONS 18, P. 87-88.

  • Deposit

    GRANT, A.R., 1969, CHEMICAL AND PHYSICAL CONTROLS FOR BASE METAL DEPOSITION IN THE CASCADE RANGE OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 58, P. 67-69.

  • Deposit

    STAATZ, M.H., TABOR, R.W., WEIS, P.L., ROBERTSON, J.F., VAN NOY, R.M., AND PATTEE, E.C., 1972, GEOLOGY AND MINERAL RESOURCES OF THE NORTHERN PART OF THE NORTH CASCADES NATIONAL PARK, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1359, P. 55-57.

  • 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 MINERALIZED ZONE SOUTH OF MAIN DISSEMINATED MINERALIZATION CONTAINS 0.25-1 IN. QUARTZ STRINGERS WITH SCATTERED CHALCOPYRITE AND CLUSTERS OF MOLYBDENITE. STRIKE GIVEN IS FOR THESE STRINGERS. ORE PRESENT IN QUARTZ VEINS AND BRECCIA ZONE. LENGTH AND WIDTH GIVEN REPRESENT EXTENT OF EXPOSED DISSEMINATED MINERALIZATION
Deposit MRDS RECORDS D000704, W017831 HAVE BEEN MERGED WITH THIS RECORD AND DELETED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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.