The Big Horn Prospect is a mine located in Valley county, Idaho at an elevation of 3,599 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: 3,599 Feet (1,097 Meters)
Commodity:
Lat, Long: 45.0456, -114.73110
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.
Big Horn Prospect MRDS details
Site Name
Primary: Big Horn Prospect
Commodity
Tertiary: Copper
Tertiary: Gold
Tertiary: Silver
Location
State: Idaho
County: Valley
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
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1903
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
Type: L
Description: Limonite - Hematite Boxwork
Alterations
Alteration Type: L
Alteration Text: Gouge, Fe Stain
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: VEIN SAMPLES ASSAYED TRACE AU AND 0.12 TO 0.50 OZ AG/TON.
Materials
Ore: Malachite
Gangue: Calcite
Gangue: Quartz
Gangue: Pyrite
Gangue: Hematite
Gangue: Limonite
Comments
Comment (Commodity): 1 SAMPLE CONTAINED 0.54 OZ AU/TON, 0.09 OZ AG/TON, 0.18% CU.
Comment (Location): IN CANYON OF SAMMY'S GULCH. WORKINGS EXTEND PARALLEL WITH MID FK SALMON RIVER TO POINT .5 MI TO THE S. LAND STATUS VALUE CALCULATED 7-94 USING GIS OVERLAY ANALYSIS WITH USFS LAND OWNERSHIP BOUNDARIES, 1:126,720 SCALE.
Comment (Development): CABIN, ARRASTRA, AND SHOP ; ECON.COM: UP TO 2 FT OVERBURDEN
Comment (Deposit): TWO OTHER VEINS TREND N 60 DEG E, N 22 DEG E, DIP 85 DEG SE AND 47 DEG SE, RESPECTIVELY
Comment (Workings): 6 ADITS, 6 CUTS
Comment (Geology): VEINS TRUNCATED AT CONTACT BETWEEN MASSIVE AND SCHISTOSE METASEDIMENTS.
References
Reference (Deposit): CATER, F. W., AND OTHERS, 1973, MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO: USGS BULL. 1304, 431 P
Reference (Deposit): 1973 RECON F. W. CATER AND OTHERS, BULL. 130
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.
