The Twin Cove Lake - Ramshorn Lake Occurrence is a copper mine located in Lemhi county, Idaho at an elevation of 8,399 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: 8,399 Feet (2,560 Meters)
Commodity: Copper
Lat, Long: 45.0903, -114.61140
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.
Twin Cove Lake - Ramshorn Lake Occurrence MRDS details
Site Name
Primary: Twin Cove Lake - Ramshorn Lake Occurrence
Commodity
Primary: Copper
Tertiary: Gold
Tertiary: Silver
Tertiary: Zinc
Tertiary: Lead
Location
State: Idaho
County: Lemhi
District: Middle Fork 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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Method: Geophysical Anomaly
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
Type: L
Structure: Anticline
Type: L
Structure: Synclinal
Alterations
Alteration Type: L
Alteration: Fe Stain
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: 16 SAMPLES ANALYZED BY A. A. CONTAINED LESS THAN 0.02 PPM AU, LESS THAN 0.2 PPM AG, 5 TO 40 PPM CU, 5 TO 100 PPM PB, 10 TO 100 PPM ZN
Materials
Gangue: Magnetite
Gangue: Pyrite
Comments
Comment (Geology): Quartzite Of Yellowjacket Formation Is Host
Comment (Location): At Headwaters Of Western Tributaries Of Wilson Creek Land Status Value Calculated 7-94 Using GIS Overlay Analysis With USFS Land Ownership Boundaries, 1:126,720 Scale.
Comment (Geology): Original Structures entry: Local - Plunging Synclinal And Anticlinal Structures Which Trend N And Plunge NNW
Comment (Geology): Original alteration entry: Local - Fe Stain
Comment (Location): Between Twin Cover And Ramshore Lakes, Near Wilson Mtn. Also Sec. 5.
References
Reference (Deposit): Cater, F. W., And Others, 1973, Mineral Resources Of The Idaho Primitive Area And Vicinity, Idaho: USGS Bulletin 1304, 431 P
Reference (Deposit): WFOC Mineral Property File 016 059 0556.
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.
