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.
Primary Mineral: Copper
Lat, Long: 46.34306, -112.05417
Map: View on Google Maps
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
Primary: Copper Nugget Placer
Secondary: Copper Nugget
District: Alahambra (Golconda) District
Owner Name: Mrs. James A Flynn
Home Office: Helena, Mt.
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1870
Years of Production:
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Form: LAYERS AND POCKETS
Description: Boulder Batholith
Age Type: Host Rock
Age Young: Holocene
Analytical Data: 77000 CY OF MATERIAL CONTAINING AN AVERAGE OF 8.7 LB/CY.
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.
Reference (Deposit): MBMG BULL 16, P. 66-7
Colorized Mining Photos
Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.