The Minnie Lee Group is a copper mine located in Skamania county, Washington at an elevation of 2,799 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
Elevation: 2,799 Feet (853 Meters)
Commodity: Copper
Lat, Long: 46.3736, -122.15480
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.
Minnie Lee Group MRDS details
Site Name
Primary: Minnie Lee Group
Secondary: N.C. Nos. 1 and 2
Secondary: Minnie Lee Nos. 1-3
Commodity
Primary: Copper
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
Type: Patented
Workings
Type: Underground
Ownership
Owner Name: Cascadia Mining And Development Co.
Years: 1926 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Underground
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
Type: L
Description: Fracture Zone
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
Not available
Materials
Ore: Pyrite
Comments
Comment (Location): ON SOUTHERN SLOPE OF GOAT MOUNTAIN. PROPERTY CONSISTS OF 5 PATENTED CLAIMS
Comment (Development): NO WORK HAS BEEN DONE ON PROPERTY SINCE 1905
Comment (Deposit): VEIN 18 IN.-5.5 FT THICK, CONTAINING ABUNDANT PYRITE, FOLLOWS A N30W TRENDING FRACTURE ZONE IN GRANODIORITE.
Comment (Workings): 2 SHAFTS, ADITS, CROSSCUTS. ALL WORKINGS CAVED IN 1977
Comment (Deposit): LOCATION MAP AVAILABLE, MOEN, (1977, p. 20)
Comment (Location): Collapsed timbers are visible on Google Earth at approximate point shown on Moen (1977, p.20) map of shaft on claim no. 4. Adits shown on claims 3 and 5 were not visible.
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. 78.
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, 20, 24.
Washington Gold
"Where to Find Gold in Washington" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Washington.
