The Golconda Mine is a gold mine located in Skamania county, Washington at an elevation of 3,081 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: 3,081 Feet (939 Meters)
Commodity: Gold
Lat, Long: 46.3475, -122.06972
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.
Golconda Mine MRDS details
Site Name
Primary: Golconda Mine
Secondary: Margaret Property
Commodity
Primary: Gold
Secondary: Copper
Tertiary: Lead
Tertiary: Zinc
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.
Holdings
Type: Located Claim
Workings
Type: Underground
Ownership
Owner Name: Duval Corp
Years: 1977 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Deposit Type: porphyry Cu
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
Not available
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock
Age Young: Miocene
Analytical Data
Analytical Data: REPORTEDLY $400/TON AU
Materials
Ore: Sphalerite
Ore: Galena
Ore: Chalcopyrite
Ore: Pyrite
Ore: Gold
Gangue: Quartz
Comments
Comment (Development): NO WORK HAS BEEN DONE SINCE 1930'S.
Comment (Location): NEAR EDGE OF BLAST ZONE FROM 1980 ERUPTION OF MOUNT ST. HELENS. LOCATION MAP AVAILABLE, MOEN (1977, p. 17, Figure 10)
Comment (Production): A MARKETABLE CONCENTRATE WAS NOT OBTAINED, AND OPERATIONS CEASED.
Comment (Deposit): QUARTZ VEINLETS ALONG A FRACTURE ZONE IN QUARTZ MONZONITE.
Comment (Workings): Adit 775 ft long with 100 ft winze.
Comment (Deposit): SEE ALSO MRDS RECORD M700154
References
Reference (Production): MOEN, 1977
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. (71 p.)
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.
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.
