The Upper Mackinaw Creek Placers is a gold mine located in Lemhi county, Idaho at an elevation of 7,001 feet.
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
Elevation: 7,001 Feet (2,134 Meters)
Commodity: Gold
Lat, Long: 45.1753, -114.18940
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.
Upper Mackinaw Creek Placers MRDS details
Site Name
Primary: Upper Mackinaw Creek Placers
Commodity
Primary: Gold
Location
State: Idaho
County: Lemhi
District: Mackinaw District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: Salmon National Forest
Holdings
Not available
Workings
Type: Surface
Ownership
Owner Name: Gordon, J. H.
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Placer
Operation Type: Placer
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: Y
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Gravel
Role: Host
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Holocene
Analytical Data
Analytical Data: GRAVEL YIELDED $0.25/CY IN AU
Materials
Ore: Gold
Comments
Comment (Workings): Cut 10 Ft Deep, Another 12 Ft. Deep
Comment (Location): Placer On Mackinaw Creek Above Forks
References
Reference (Deposit): Lorain, S. H., And Metzger, O. H., 1939, Reconnaissance Of Placer Mining Districts In Lemhi County, Idaho: USBM Inf. Circ. 7082, 81 P
Idaho Gold
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.
