The McFadden Mine is a silver mine located in Custer county, Idaho at an elevation of 8,599 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: 8,599 Feet (2,621 Meters)
Commodity: Silver
Lat, Long: 44.4503, -114.70560
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.
McFadden Mine MRDS details
Site Name
Primary: McFadden Mine
Secondary: McFadden Group Mine
Secondary: Altura
Secondary: Yankee Fork Mine
Secondary: Fraction Lode Claims
Commodity
Primary: Silver
Secondary: Gold
Tertiary: Lead
Tertiary: Antimony
Tertiary: Copper
Location
State: Idaho
County: Custer
District: Yankee Fork District
Land Status
Land ownership: National Forest
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: Challis National Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
Discovery Year: 1878
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Fe, Cu Stains
Rocks
Name: Tuff
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Name: Tuff
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Name: Tuff
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Analytical Data: GOLD: SILVER RATIO OF 1:100
Materials
Ore: Tetrahedrite
Ore: Gold
Ore: Chalcopyrite
Ore: Argentite
Ore: Electrum
Gangue: Quartz
Gangue: Galena
Gangue: Pyrite
Comments
Comment (Production): Production Intermittent, Value $200000
Comment (Deposit): Ore Occurs In Two Shoots; Mcfadden Mine On 'Contact' Vein
Comment (Workings): 3 Tunnels; 10 Stamp Mill
References
Reference (Deposit): Umpleby, J. B., 1913, Some Ore Deposits In Northwestern Custer County, Idaho: USGS Bulletin 539, 104 P.
Reference (Deposit): Anderson, A. L., 1949, Silver - Gold Deposits Of The Yankee Fork District, Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 83, 37 P.
Reference (Deposit): Ross, C. P., 1927 , Ore Deposits In The Tertiary Lava In The Salmon River Mountains, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 25 , 20 P.
Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 476, P. 218.
Reference (Production): Umpleby, J. B., 1913, USGS Bulletin 539, P. 89.
Idaho Gold
"Where to Find Gold in Idaho" 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 Idaho. Read more: Where to Find Gold in Idaho.
