Johnny Mack Prospect

The Johnny Mack Prospect is a lead mine located in Kootenai county, Idaho.

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: Johnny Mack Prospect  

State:  Idaho

County:  Kootenai


Primary Mineral: Lead

Lat, Long: 47.5894, -116.62670

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 Johnny Mack Prospect

Johnny Mack Prospect MRDS details

Site Name

Primary: Johnny Mack Prospect


Primary: Lead
Tertiary: Zinc
Tertiary: Copper


State: Idaho
County: Kootenai
District: Beauty Bay 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: Coeur d'Alene National Forest


Not available


Type: Surface/Underground


Not available


Not available


Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Coeur D'Alene Mountains

Mineral Deposit Model

Not available




Type: R
Structure: Faulted Anticlinal Uplift Of WNW Trend
Description: Broad Much - Faulted Anticlinal Uplift Of Wnw Trend


Alteration Type: L
Alteration: Biotitization


Name: Slate
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Analytical Data

Not available


Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Pyrite
Gangue: Pyrrhotite
Gangue: Ankerite
Gangue: Quartz
Gangue: Biotite


Comment (Location): 1.5 Mi Above The Silver Tip

Comment (Geology): Original alteration entry: Local - Biotitization

Comment (Geology): Original ore control entry: Fracture


Reference (Deposit): Anderson, A. L., 1940 , Geology And Metalliferous Deposits Of Kootenai County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 53 , 67 P

Reference (Deposit): Large, Thomas, 1943, Science, V 98, No 2556, P560-561

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.