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
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.
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.
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.
