The Republican Group Mine is a gold mine located in Custer county, Idaho at an elevation of 7,999 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: 7,999 Feet (2,438 Meters)
Commodity: Gold
Lat, Long: 44.5917, -115.15470
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.
Republican Group Mine MRDS details
Site Name
Primary: Republican Group Mine
Secondary: Idaho Claim
Secondary: Bull Dog Claim
Secondary: Republican Claim
Secondary: Buck Horn Claim
Commodity
Primary: Gold
Tertiary: Zinc
Tertiary: Lead
Tertiary: Silver
Tertiary: Copper
Location
State: Idaho
County: Custer
District: Seafoam 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.
Holdings
Type: Patented
Workings
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Discovery Year: 1900
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
Form: Tabular and lenticular
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Sericitization
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: ASSAYS AS HIGH AS 4.7 % PB, 30.5 OZ AG/TON, 0.8 % ZN, 0.10 OZ AU/TON
Analytical Data: AVG. GRADE EST. 0.006 OZ AU/TON, 1.3 OZ AG/TON, 0.01 % CU, 0.9 % PB ALONG SHEAR ZONE
Analytical Data: VEIN SAMPLES AVG. 0.008 OZ AU/TON, 0.5 OZ AG/TON, 2.7 % PB, TRACE CU
Materials
Ore: Galena
Ore: Bornite
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz
Gangue: Pyrrhotite
Comments
Comment (Development): INCLUDES REPUBLICAN, BUCKHORN, BULLDOG, AND IDAHO PATENTED CLAIMS. THE REPUBLIC GROUP CONSISTS OF 4 PATENTED CLAIMS AND IS ADJOINED BY THREE OTHER CLAIMS. AVERAGE GRADE OF THE SHEAR ZONE IS ESTIMATED TO BE 0.21 GRAM GOLD AND 44.6 GRAM SILVER PER METRIC TON, 0.01 PERCENT COPPER AND 0.9 PERCENT LEAD.
Comment (Deposit): REPUBLICAN VEIN STRIKES N 18 DEG W, DIPS 80 TO 87 DEG S.
Comment (Deposit): Discovery Year: 1900; 1956
References
Reference (Deposit): CATER, F. W., AND OTHERS, 1973, MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO: U. S. GEOLOGICAL SURVEY BULL. 1304, 431 P
Reference (Deposit): 1973 RECON CATER, F. W., AND OTHERS, BULL. 130
Reference (Production): CATER, F. W., AND OTHERS, 1973, USGS BULL. 1304, 431 P.
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.
