Independence Mine

The Independence Mine is a copper mine located in Skamania county, Washington at an elevation of 3,399 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: Independence Mine

State:  Washington

County:  Skamania

Elevation: 3,399 Feet (1,036 Meters)

Commodity: Copper

Lat, Long: 46.36611, -122.15472

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 Independence Mine

Independence Mine MRDS details

Site Name

Primary: Independence Mine
Secondary: Independence Lode No. 1


Commodity

Primary: Copper
Secondary: Lead
Secondary: Silver
Secondary: Gold


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: Surface/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: ORE AVERAGED $30/TON IN AU+AG+CU+PB.


Materials

Ore: Bornite
Ore: Pyrite
Ore: Chalcopyrite
Ore: Galena
Gangue: Quartz


Comments

Comment (Deposit): MAIN QUARTZ VEIN IS 14-48 IN. THICK. 3,000 FT SOUTHWEST OF THE ADIT, A VEIN 4 FT THICK IS EXPOSED IN AN OPEN CUT AND CAN BE TRACED FOR 3,000 FT ON THE SURFACE ALONG THE SIDE LINES OF THE CLAIM. A SHAFT SUNK ON THE VEIN EXPOSED THE SAME THICKNESS OF VEIN AS IS FOUND IN THE OPEN CUT.

Comment (Workings): ADITS, CROSSCUTS, DRIFTS, SHAFT, OPEN CUT

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

Comment (Location): ON BLACK MOUNTAIN OPPOSITE AND ABOUT 0.5 MI SOUTH OF MINNIE LEE MINE. PROPERTY CONSISTS OF 6 CLAIMS


References

Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVSION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 77.

Reference (Deposit): MOEN, W.S., 1977, STS HELENS AND WASHOUGAL MINING DISTRICTS OF THE SOUTHERN CASCADES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INFORMATION CIRCULAR 60, P. 17, 25-26.


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