Grizzly Creek Mine

The Grizzly Creek Mine is a silver, gold, and copper mine located in Skamania county, Washington at an elevation of 3,199 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Grizzly Creek Mine  

State:  Washington

County:  Skamania

Elevation: 3,199 Feet (975 Meters)

Commodity: Silver, Gold, Copper

Lat, Long: 46.32917, -122.08278

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Grizzly Creek Mine

Grizzly Creek Mine MRDS details

Site Name

Primary: Grizzly Creek Mine


Commodity

Primary: Silver
Primary: Gold
Primary: Copper
Secondary: Lead
Tertiary: Molybdenum


Location

State: Washington
County: Skamania
District: St. Helens District - Ryan Lake Area


Land Status

Land ownership: National Monument
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: In Mount St. Helens National Volcanic Monument In Gifford-Pinchot National Forest


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains


Mineral Deposit Model

Model Name: Polymetallic veins


Orebody

Form: VEIN


Structure

Not available


Alterations

Not available


Rocks

Name: Diorite
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene

Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Miocene


Analytical Data

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


Materials

Ore: Pyrite
Gangue: Quartz
Gangue: Plagioclase


Comments

Comment (Workings): 58 FT ADIT, WITH 33 FT WINZE, ALSO, 22 FT ADIT, 50 FT ADIT, AND 500 FT ADIT.

Comment (Deposit): VEIN OF PLAGIOCLASE, 3.5-5 FT THICK

Comment (Deposit): LOCATION MAP AVAILABLE, MOEN (1977) ; INFO.SRC : 1 PUB LIT

Comment (Location): NEAR GRIZZLY CREEK ON BLACK MOUNTAIN WEST OF CONFLUENCE OF GRIZZLY CREEK AND GREEN RIVER


References

Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 155.

Reference (Deposit): MOEN, W.S., 1977, ST. HELENS AND WASHOUGAL MINING DISTRICTS OF THE SOUTHERN CASCADES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INFORMATION CIRCULAR 60, P. 17, 26-27.


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