Big Horn Prospect

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

Name: Big Horn Prospect  

State:  Idaho

County:  Valley

Elevation: 3,599 Feet (1,097 Meters)

Primary Mineral:

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.


Satelite image of the Big Horn Prospect

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

"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 at Where to Find Gold in Idaho.