Jensen Group Mine

The Jensen Group Mine is a silver and gold mine located in Valley county, Idaho at an elevation of 6,001 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: Jensen Group Mine  

State:  Idaho

County:  Valley

Elevation: 6,001 Feet (1,829 Meters)

Commodity: Silver, Gold

Lat, Long: 45.1986, -115.07000

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 Jensen Group Mine

Jensen Group Mine MRDS details

Site Name

Primary: Jensen Group Mine


Commodity

Primary: Silver
Primary: Gold
Tertiary: Copper


Location

State: Idaho
County: Valley
District: Big Creek 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: Payette National Forest


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
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

Form: BANDED, LENTICULAR, BOTRYOIDAL


Structure

Not available


Alterations

Not available


Rocks

Name: Gneiss
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: AVERAGE ASSAYS OF HIGH GRADE ORE RAN 25 TO 40 OZ AU/TON, WITH 15 TO 20 OZ AG/TON


Materials

Ore: Gold
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Pyrite
Gangue: Pyrrhotite


Comments

Comment (Location): ON N SIDE OF CROOKED CREEK ABOUT 5 MI ABOVE ITS CONFLUENCE WITH BIG CREEK; NEAR RAMEY RIDGE LAND STATUS VALUE CALCULATED 7-94 USING GIS OVERLAY ANALYSIS WITH USFS LAND OWNERSHIP BOUNDARIES, 1:126,720 SCALE.

Comment (Development): MILL


References

Reference (Deposit): SHENON, P. J., AND ROSS, C. P., 1936, GEOLOGY AND ORE DEPOSITS NEAR EDWARDSBURG AND THUNDER MOUNTAIN, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 44, 45 P

Reference (Deposit): 1936 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 4

Reference (Production): SHENON, P. J., AND ROSS, C. P., 1936, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 44


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: Where to Find Gold in Idaho.