The Big Group Claims is a iron mine located in Sweet Grass county, Montana at an elevation of 9,249 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: 9,249 Feet (2,819 Meters)
Commodity: Iron
Lat, Long: 45.4322, -110.11330
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.
Big Group Claims MRDS details
Site Name
Primary: Big Group Claims
Commodity
Primary: Iron
Location
State: Montana
County: Sweet Grass
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: Located Claim
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Mining Method: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Location): DEPOSITS ALSO IN SECTIONS 2, 4, 5, 10, 11, 12, 13, & 14, T. 5 S., R. 13 E.; SECTIONS 29, 30, 31, 32, & 33, T. 4 S., R. 13 E.; SECTIONS 24 & 25, T. 4 S., R. 12 E.; SECTIONS 18, 19 & 20, T. 5 S., R. 14 E. THE ULTRAMAFIC ZONE OF THE STILLWATER COMPLEX HAS BEEN STUDIED FOR IRON (THIS AND OTHER CLAIMS), CHROMITE, NICKEL AND COPPER. BIBLIOGRAPHIC REFERENCES ARE NUMEROUS AND MAY BE FOUND IN OTHER (MORE CURRENT) STILLWATER COMPLEX STUDIES.
References
Reference (Deposit): MONTANA BUREAU OF MINES & GEOLOGY, SPECIAL PUBLICATION 92,
Reference (Deposit): P. 89.
Reference (Deposit): MCHUGH, E., 1994, MLA REPORT IN PREPARATION.
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.
