The Le Grande Group Mine is a gold, lead, and silver mine located in Blaine 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, Lead, Silver
Lat, Long: 43.5356, -114.39920
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.
Le Grande Group Mine MRDS details
Site Name
Primary: Le Grande Group Mine
Commodity
Primary: Gold
Primary: Lead
Primary: Silver
Location
State: Idaho
County: Blaine
District: Mineral Hill District
Land Status
Land ownership: BLM Administrative Area
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
Not available
Workings
Not available
Ownership
Owner Name: Floyd Wilson And Assoc.
Production
Year: 1923
Material type: ORE
Description: Ap_Grade: ^45.9 % Pb, 6.4 % Fe, .09 Oz/Ton Au, 146.6 Oz/Ton Ag
Year: 1923
Material type: ORE
Description: Ap_Grade: ^58.2 % Pb, 4.4 % Fe, .09 Oz/Ton Au, 204.6 Oz/Ton Ag
Year: 1923
Material type: ORE
Description: Ap_Grade: ^10.4 % Pb, 8.9 % Fe, .085 Oz/Ton Au, 46 Oz/Ton Ag
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
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
Structure
Not available
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: SAMPLE FROM ONE VEIN REPORTED TO HAVE ASSAYED 9 OZ. AU/TON.
Materials
Ore: Galena
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Workings): 3 SHORT BRANCHING TUNNELS AND SOME SHALLOW OPEN CUTS
Comment (Deposit): LODES RANGE IN STRIKE FROM N. 30 DEG. E. TO N. 25 DEG. W.
Comment (Development): 6 CLAIMS
References
Reference (Deposit): UMPLEBY, J. B., AND OTHERS, 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO, WITH A DESCRIPTION OF THE MINNIE MOORE AND NEAR-BY MINES: USGS BULL. 814, P. 1-245
Reference (Deposit): 1930 GEOLMAP J. B. UMPLEBY AND OTHERS, BULL. 81
Reference (Production): UMPLEBY, J. B., AND OTHERS, 1930, USGS BULL. 814
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.
