Keokirk-Elm Orlu Group

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

Name: Keokirk-Elm Orlu Group

State:  Montana

County:  Beaverhead

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.


Satelite image of the Keokirk-Elm Orlu Group

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

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.