The Bryan-Columbus Claims is a copper and cobalt mine located in Lemhi county, Idaho at an elevation of 7,500 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: 7,500 Feet (2,286 Meters)
Commodity: Copper, Cobalt
Lat, Long: 45.1228, -114.35110
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.
Bryan-Columbus Claims MRDS details
Site Name
Primary: Bryan-Columbus Claims
Secondary: Bryan Claim
Commodity
Primary: Copper
Primary: Cobalt
Tertiary: Nickel
Tertiary: Gold
Location
State: Idaho
County: Lemhi
District: Blackbird District
Land Status
Land ownership: Private
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.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: Gabbro
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Gabbro
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Gabbro
Role: Associated
Age Type: Associated Rock Unit
Age Young: Eocene
Name: Gabbro
Role: Associated
Age Type: Associated Rock
Age Young: Eocene
Analytical Data
Analytical Data: .8 % NI
Analytical Data: 0.12 OZ/TON AU, 0.10% CO
Materials
Ore: Gold
Gangue: Limonite
Gangue: Quartz
Gangue: Magnetite
Comments
Comment (Workings): WORKINGS ARE VERY SMALL AND NOW CAVED
Comment (Location): 0.5 MI. UP MEADOW CREEK; 850 FT. N OF ST. JOE PROSPECT
Comment (Deposit): In MAS/MILS database this was part of a MULTIPLE PROPERTY STUDY - a Mineral Property File containing data pertinent to this property was filed under MAS SEQ number 0160590012. A mineral property file was a secure paper file that has been stored in the Federal Archives and/or Records Center since closure of the U.S. Bureau of Mines.
References
Reference (Deposit): REED, G.C., AND HERDLICK, J.A., 1947, BLACKBIRD COBALT DEPOSITS, LEMHI COUNTY, IDAHO: USBM REPT. INV. 4012, 14 P.
Reference (Deposit): UMPLEBY, J.B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: USGS BULL. 528, 182 P.
Reference (Deposit): ANDERSON, A.L., 1943, PRELIMINARY REPORT ON THE COBALT DEPOSITS IN THE BLACKBIRD DISTRICT, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 61, 34 P.
Reference (Deposit): CANNEY, F.C., 1953, PRELIMINARY REPORT OF GEOCHEMICAL INVESTIGATIONS IN THE BLACKBIRD DISTRICT, LEMHI COUNTY, IDAHO: USGS OPEN-FILE REPT.
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.
