The Last Chance Prospect is a mine located in Lemhi county, Idaho at an elevation of 5,200 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: 5,200 Feet (1,585 Meters)
Commodity:
Lat, Long: 44.8947, -113.61170
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.
Last Chance Prospect MRDS details
Site Name
Primary: Last Chance Prospect
Secondary: Fishcan
Commodity
Tertiary: Copper
Tertiary: Thorium
Tertiary: Uranium
Location
State: Idaho
County: Lemhi
District: Mcdevitt District
Land Status
Land ownership: BLM Administrative Area
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
Type: Underground
Ownership
Owner Name: R. Stenson, G. E. Shoup
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
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: Beaverhead Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: 1 SAMPLE FROM LAST CHANCE VEIN HAD 0.006 % U, 0.03 % THO3, AND 0.008 % EU
Materials
Ore: Chalcopyrite
Ore: Malachite
Gangue: Quartz
Gangue: Hematite
Gangue: Limonite
Comments
Comment (Location): ON E SIDE OF LEMHI R VALLEY
Comment (Workings): 2 ADITS, 1 CAVED SHAFT
Comment (Geology): QUARTZITE BEDDING STRIKES N 50 DEG W WITH A DIP OF 18-20 DEG SW
References
Reference (Deposit): SHARP, W. N., AND CAVENDER, W. S., 1962, GEOLOGY AND THORIUM-BEARING DEPOSITS OF THE LEMHI PASS AREA, LEMHI COUNTY, IDAHO, AND BEAVERHEAD COUNTY, MONTANA: USGS BULL. 1126, P. 55
Reference (Deposit): 1962 RECON W. N. SHARP AND W. S. CAVENDAR, BULL 112
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.
