The Greenback Mine is a gold mine located in Custer county, Idaho at an elevation of 8,199 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: 8,199 Feet (2,499 Meters)
Commodity: Gold
Lat, Long: 44.1811, -115.10190
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.
Greenback Mine MRDS details
Site Name
Primary: Greenback Mine
Secondary: Greenback Prospects
Secondary: Duquette Mine
Commodity
Primary: Gold
Tertiary: Lead
Tertiary: Silver
Location
State: Idaho
County: Custer
District: Stanley 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: Surface/Underground
Ownership
Owner Name: Greenback Mining Co. ( 1949 )
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Discovery Year: 1903
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: Sawtooth Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR LENS
Structure
Type: L
Description: Gouge
Alterations
Alteration Type: L
Alteration: PYRITIZATION
Alteration Type: L
Alteration: Kaolinization
Alteration Text: Kaolinization
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: SAMPLES FOUND AU TRACE - .01 OZ/TON AND AG TRACE - 1.6 OZ./TON.
Materials
Gangue: Limonite
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Development): 11 Patented Claims
Comment (Workings): Development Consists of 1 Shaft, 1 Main Adit, 2 Short Caved Adits, Several Prospect Pits
Comment (Location): Mine Is About A Mile North of Observation Peak At An Elevation of About 2499 Meters. Samples Contained Trace Amounts of Gold and Silver.
References
Reference (Deposit): Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.
Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 9-92, 1992, P. 39-46.
Reference (Deposit): U S Forest Service Planemetric Map Challis Nat Forest 1965
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.
