The Scratchgravel Hills 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.
Primary Mineral: Gold
Lat, Long: 46.67639, -112.08333
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.
Scratchgravel Hills Placer MRDS details
Primary: Scratchgravel Hills Placer
Secondary: Butcherknife and Spring Gulches
County: Lewis and Clark
District: Scratchgravel Hills District
Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Unknown
Discovery Year: 1864
Years of Production:
Deposit Size: S
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Description: Boulder Batholith
Description: Scratchgravel Quartz Monzonite Stock
Age Type: Host Rock
Age Young: Holocene
Comment (Location): LAT. LONG. ARE FOR SUMMIT OF SCRATCHGRAVEL HILL. IOWA GULCH IS NW, BUTCHERKNIFE IS N, AND SPRING GULCH IS S OF THE SUMMIT OF SCRATCHGRAVEL HILL.
Comment (Production): INTERMITTENT PRODUCTION, VALUE OF GOLD NOT KNOWN.
Comment (Geology): A CONSIDERABLE AREA IN THE WIDE VALLEY IN THE S PART OF THE HILLS IS COVERED WITH A THIN SHEET OF GOLD BEARING GRAVEL.
Comment (Workings): PLACER WORKINGS HAVE BEEN INTERMITTENT.
Reference (Deposit): USGS PP 610, P. 154.
Reference (Production): MBMG MEM 26, P. 59.
Reference (Deposit): MBMG MEM 26, P. 55, 59.
Reference (Deposit): USGS BULL. 842, P. 36.
Reference (Deposit): MBMG MEM 5, P. 24.