Johnson Creek Prospects

The Johnson Creek Prospects is a silver mine located in Elmore county, Idaho at an elevation of 6,401 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: Johnson Creek Prospects  

State:  Idaho

County:  Elmore

Elevation: 6,401 Feet (1,951 Meters)

Primary Mineral: Silver

Lat, Long: 43.9642, -115.23690

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 Johnson Creek Prospects

Johnson Creek Prospects MRDS details

Site Name

Primary: Johnson Creek Prospects


Primary: Silver
Secondary: Gold
Tertiary: Bismuth
Tertiary: Copper
Tertiary: Lead
Tertiary: Molybdenum
Tertiary: Tin
Tertiary: Zinc


State: Idaho
County: Elmore
District: Black Warrior 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: Boise National Forest


Not available


Type: Surface/Underground


Not available


Not available


Record Type: Site
Operation Category: Prospect
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Unknown
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Sawtooth Mountains

Mineral Deposit Model

Not available


Not available


Type: L
Description: Slickensides


Alteration Type: L
Alteration Text: Fe - Oxide Stains


Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Analytical Data

Analytical Data: 1 SAMPLE OF QUARTZ ASSAYED 0.02 OZ AU, 0.4 OZ AG/TON


Gangue: Quartz
Gangue: Pyrite


Comment (Commodity): Collected Samples Contained Tr To 0.69 Grams Gold Per Tonne, Zero To 329 Grams Silver Per Tonne, 1.0 Percent Copper, 0.2 Percent Lead, 0.07 Percent Zinc, 0.3 Percent Bismuth, Trace Zinc, And 1.0 Percent Molybdenum.

Comment (Location): Also In Ne4, Sec 1, T7n, R10e, And Sw4, Sec.5, T7n, R11e.

Comment (Location): 2 Prospects, 1/4 Mi W Of Johnson Creek And 0.3 Mi N Of Mouth Of Grouse Creek

Comment (Workings): 1 Adit, 1 Pit

Comment (Geology): Dike Is 100 Ft Thick, Trends N, Dips 70 Deg W.


Reference (Deposit): Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

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.