Copper Nugget Placer

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

Name: Copper Nugget Placer  

State:  Montana

County:  Jefferson

Elevation:

Primary Mineral: Copper

Lat, Long: 46.34306, -112.05417

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 Copper Nugget Placer

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


Colorized Mining Photos

Drumlummon Mine at Marysville, Montana late 1880s

Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.