Cottonwood Creek and Gravel Range Placer

The Cottonwood Creek and Gravel Range Placer is a gold mine located in Lewis and Clark 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: Cottonwood Creek and Gravel Range Placer  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Gold

Lat, Long: 46.83972, -112.28667

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 Cottonwood Creek and Gravel Range Placer

Cottonwood Creek and Gravel Range Placer MRDS details

Site Name

Primary: Cottonwood Creek and Gravel Range Placer


Commodity

Primary: Gold


Location

State: Montana
County: Lewis and Clark


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: River Gravel In Places Are Cemented With Silica.


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Gold


Comments

Comment (Location): LAT. LONG. MOUTH OF COTTONWOOD CREEK, PLACER GOES UP STREAM FOR ABOUT 5.5 KM.

Comment (Deposit): 2 AGES; (1) OLDER AND LARGER IS AN ANCIENT RIVER CHANNEL WHICH IS NOW A CREST OF GRAVEL RANGE (2) YOUNGER PLACERS IN GULLIES AND VALLEYS DRAINING FROM CREST TO COTTONWOOD CREEK.

Comment (Geology): THE ANCIENT RIVER CHANNEL EXTENDS 4 MI ALONG RIDGE; IT IS 500 FT. THICK AND CONTAINS LITTLE GOLD. PLACER GOLD MAY HAVE BEEN DERIVED FROM LODES OF THE STEMPLE-GOULD DISTRICTS.


References

Reference (Deposit): USGS BULL 842, P. 119.

Reference (Deposit): MBMG MEM 26, P. 55, 62-3.

Reference (Production): MBMG MEM NO 26, P. 62.