Grizzly Creek Mine

Past Producer in Skamania county in Washington, United States with commodities Copper, Gold, Silver, Lead, 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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  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 10047844
MRDS ID M700171
Record type Site
Current site name Grizzly Creek Mine
Related records 10132077

Geographic coordinates

Geographic coordinates: -122.08397, 46.32898 (WGS84)
Elevation 975
Location accuracy 1000(meters)
Relative position 2.25 MI NORTH OF META LAKE, Estimated Where Vein Crosses Grizzly Creek Near South Central Edge Of Quarter Section

Site location context

Political divisions (FIPS codes)

Skamania(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Spirit Lake East(quadrangle 1:24,000 scale)

Mount Saint Helens and Vicinity(quadrangle 1:100,000 scale)

Hoquiam(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Cowlitz(hydrologic unit)

Lower Columbia(hydrologic accounting unit)

Lower Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Gifford Pinchot 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 Skamania

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 010N 006E 20 SE4 Washington

Comments on the location information

  • NEAR GRIZZLY CREEK ON BLACK MOUNTAIN WEST OF CONFLUENCE OF GRIZZLY CREEK AND GREEN RIVER

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary
Lead Secondary
Molybdenum Tertiary

Materials information

Materials Type of material
Pyrite Ore
Plagioclase Gangue
Quartz Gangue

Analytical data

Result UP TO 3% CU REPORTED IN ALTERED FELDSPATHIC MATERIAL. 1-7% MO REPORTED IN VEIN MATERIAL FROM VARIOUS ADITS
Result HOWEVER, MOEN FOUND NO MOLYBDENITE NOR DID SPECTROGRAPHIC ANALYSES SHOW MO. $50-60/TON IN AU+AG+PB REPORTED AT BOTTOM OF WINZE.

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 Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Spirit Lake Pluton, Main Phase
    Rock description Spirit Lake Pluton, Main Phase
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -122.08397, 46.32898

Economic information

Ore body information

  • General form VEIN
    Thickness 1.52M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name St. Helens District - Ryan Lake Area

Land status

Ownership category National Monument
Area name In Mount St. Helens National Volcanic Monument In Gifford-Pinchot National Forest

Workings at the site

  • Type of workings Underground
    Length 192.02M

Comments on the workings information

  • 58 FT ADIT, WITH 33 FT WINZE, ALSO, 22 FT ADIT, 50 FT ADIT, AND 500 FT ADIT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VEIN OF PLAGIOCLASE, 3.5-5 FT THICK
Deposit LOCATION MAP AVAILABLE, MOEN (1977) ; INFO.SRC : 1 PUB LIT

Reporter information

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

Beyond USGS

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