The Mammoth Deposit is a gold mine located in Idaho county, Idaho at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Gold
Lat, Long: 45.46306, -115.48861
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.
Mammoth Deposit MRDS details
Site Name
Primary: Mammoth Deposit
Secondary: Mammouth
Secondary: Black Tail
Commodity
Primary: Gold
Tertiary: Lead
Tertiary: Copper
Tertiary: Zinc
Location
State: Idaho
County: Idaho
District: Dixie 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: Nez Perce National Forest
Holdings
Type: Located Claim
Workings
Type: Surface/Underground
Ownership
Owner Name: Golden Eagle Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Discovery Year: 1925
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
Form: LENTICULAR, PINCH AND SWELL
Structure
Type: L
Description: Brecciation
Alterations
Alteration Type: L
Alteration Text: Oxidation, Sericitization, Chlorite
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
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
Analytical Data
Not available
Materials
Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Pyrite
Comments
Comment (Location): 7 Miles Se Of Dixie Ranger Station, Near Dixie
Comment (Development): 14 Claims; 25 - Ton Flotation Mill
References
Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 8-91, 1991, P. 39-41.
Reference (Deposit): Roberts, R. J., 1938, The Petrography And Ore Deposits Of The Dixie District, Idaho: Seattle, Washington, Univ. Of Washington, M.S. Thesis, 61 P.
Reference (Deposit): Lorain, S. H., 1938, Gold Mining And Milling In Idaho County: USBM Inf. Circ. 7039, 90 P.
Reference (Deposit): Capps, S. R., And Roberts, R. J., 1939, The Dixie Placer District, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 48, 35 P.
Reference (Deposit): Western Mining News, 1974-75 Directory Of Mines In Idaho (Coeur D'Alenes) And Washington, P. 54
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.
