The Keokirk-Elm Orlu Group is a copper and silver mine located in Beaverhead county, Montana at an elevation of 8,799 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: 8,799 Feet (2,682 Meters)
Commodity: Copper, Silver
Lat, Long: 45.59167, -112.93611
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.
Keokirk-Elm Orlu Group MRDS details
Site Name
Primary: Keokirk-Elm Orlu Group
Secondary: Keokuk
Commodity
Primary: Copper
Primary: Silver
Secondary: Gold
Location
State: Montana
County: Beaverhead
District: Hecla (Bryant) District
Land Status
Land ownership: Private
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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Discovery Year: 1872
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: Pioneer Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR, TABULAR
Structure
Not available
Alterations
Not available
Rocks
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
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Not available
Materials
Gangue: Quartz
Gangue: Pyrite
Comments
Comment (Production): ONLY RECORDED PRODUCTION IS FROM THE BONAPARTE CLAIM.
Comment (Development): 6 PATENTED CLAIMS: FORREST QUEEN; KEOKUK, MINNIE GAFFNEY, BONAPARTE, MOFFET AND MAYNARD, ELM ORLU
Comment (Deposit): KARLSTROM (1948) SUGGESTED THAT MINERALIZING SOLUTIONS ORIGINATED IN AN UNDERLYING QUARTZ MONZONITE SILL, AND MADE THEIR WAY UPWARD TO COLLECT BENEATH THE IMPERVIOUS PARK QUARTZITE
Comment (Workings): SEVERAL INCLINED SHAFTS AND ADITS EXTEND E-W TO SW-NE ALONG THE MINERALIZED ZONE.
References
Reference (Deposit): 1948 COMPILE M.B.M.G. MEM. 2
Reference (Production): M.B.M.G. BULL. 85.
Reference (Deposit): MBMG MEM 25, P. 74-78.
Reference (Deposit): MBMG BULL 85, P. 115-118.
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.