The Robinson Bar Placer is a gold mine located in Custer county, Idaho at an elevation of 6,299 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: 6,299 Feet (1,920 Meters)
Commodity: Gold
Lat, Long: 44.2514, -114.67080
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.
Robinson Bar Placer MRDS details
Site Name
Primary: Robinson Bar Placer
Commodity
Primary: Gold
Tertiary: Garnet
Tertiary: Zirconium
Tertiary: Iron
Tertiary: Titanium
Tertiary: REE
Location
State: Idaho
County: Custer
District: Robinson Bar 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: Challis National Forest
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: Placer
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Holocene
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Analytical Data: RANGE OF BLACK SAND CONCENTRATE 1.3 - 6.0 LB/C.Y.
Analytical Data: AVG. AU SAMPLE VALUE: $0.064/C.Y.
Materials
Ore: Garnet
Ore: Magnetite
Ore: Hematite
Ore: Zircon
Ore: Sphene
Ore: Ilmenite
Ore: Monazite
Comments
Comment (Production): Value $100,000 At $20/Oz
Comment (Deposit): 55 Acres; Est. Volume 4400000 C.Y.
Comment (Location): Also Found In Sec 26 and 28 of T11N R15E of Robinson Bar Quad
References
Reference (Deposit): Tschanz, C. M., And Others, 1974, Mineral Resources Of The Eastern Part Of The Sawtooth National Recreation Area, Custer And Blaine Counties, Idaho: USGS Open-File Rept., 648 P
Reference (Deposit): Choate, Raoul State Of Idaho Pamphlet No. 126, P. 103, 104
Reference (Production): Tschanz, C.M., And Others, 1974, USGS Open-File Rept., P. 625
Reference (Deposit): Vannoy And Others, 1986, USGS Bulletin1545e, P.467, Plate 3, No.16
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.