The Copper Nugget Placer is a copper mine located in Jefferson county, Montana.
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
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.
Copper Nugget Placer MRDS details
Site Name
Primary: Copper Nugget Placer
Secondary: Copper Nugget
Commodity
Primary: Copper
Location
State: Montana
County: Jefferson
District: Alahambra (Golconda) District
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Mrs. James A Flynn
Home Office: Helena, Mt.
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1870
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: LAYERS AND POCKETS
Structure
Type: R
Description: Boulder Batholith
Alterations
Not available
Rocks
Name: Peat
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Analytical Data: 77000 CY OF MATERIAL CONTAINING AN AVERAGE OF 8.7 LB/CY.
Materials
Ore: Copper
Gangue: Peat
Gangue: Iron
Comments
Comment (Location): MOUTH OF GULCH IS GIVEN FOR LAT. LONG.
Comment (Development): 3 UNPATENTED LODE CLAIMS, 1 UNPATENTED PLACER CLAIM.
Comment (Deposit): IRON OXIDE REEFS DAMED LOWER END OF GULCH FORMING A SWAMP. COPPER WAS DEPOSITED FROM SOLUTION BY REDUCING ACTION OF EITHER THE CARBONACEOUS PEAT MATERIAL OR THE IRON OXIDE. SOME SPONGY METALIC COPPER AND COPPER OXIDE IS FOUND
Comment (Workings): ADIT DRIFTS, SHALLOW SHAFTS, 1942-43 BM SUNK 6 TEST PITS AND 8 CHURN-DRILL HOLES.
References
Reference (Deposit): MBMG BULL 16, P. 66-7
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.
