Pine Marten Prospect

The Pine Marten Prospect is a molybdenum and copper mine located in King county, Washington at an elevation of 3,701 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: Pine Marten Prospect

State:  Washington

County:  King

Elevation: 3,701 Feet (1,128 Meters)

Commodity: Molybdenum, Copper

Lat, Long: 47.61722, -121.50056

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 Pine Marten Prospect

Pine Marten Prospect MRDS details

Site Name

Primary: Pine Marten Prospect


Commodity

Primary: Molybdenum
Primary: Copper


Location

State: Washington
County: King
District: Cougar Creek Area


Land Status

Land ownership: National Wilderness
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 Alpine Lakes Wilderness In Snoqualmie National Forest


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
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

Not available


Orebody

Form: DISSEMINATED AS IRREGULAR MASSES


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Silicification


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

Not available


Materials

Ore: Chalcopyrite
Ore: Molybdenite
Ore: Pyrite


Comments

Comment (Location): AT NORTH END OF DOG MOUNTAIN

Comment (Reserve-Resource): VERY LOW GRADE. LEACHING HAS PROBABLY REMOVED SOME COPPER FROM OUTCROPS

Comment (Deposit): DISTRIBUTED AS IRREGULAR MASSES THROUGHOUT HOST ROCK AND CONCENTRATED ALONG AND NEAR FRACTURES. WIDTH OF MINERALIZED ZONE IS 15-160 FT. THE TYPE OF DEPOSIT IS UNKNOWN

Comment (Workings): SHORT ADIT


References

Reference (Reserve-Resource): GUALTIERI AND OTHERS, 1975

Reference (Deposit): GUALTIERI, J.L., THURBER, H.K., MILLER, M.S., MCMAHAN, A.B., AND FEDERSPIEL, F.F., 1975, MINERAL RESOURCES OF ADDITIONS TO THE ALPINE LAKES STUDY AREA, CHELAN, KING, AND KITTITAS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 75-3, P. 125-127


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