Shamrock Prospect

The Shamrock Prospect is a lead and silver mine located in Kootenai county, Idaho at an elevation of 2,651 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: Shamrock Prospect  

State:  Idaho

County:  Kootenai

Elevation: 2,651 Feet (808 Meters)

Primary Mineral: Lead, Silver

Lat, Long: 47.8419, -116.64810

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 Shamrock Prospect

Shamrock Prospect MRDS details

Site Name

Primary: Shamrock Prospect


Primary: Lead
Primary: Silver
Tertiary: Copper


State: Idaho
County: Kootenai
District: Hayden Lake 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: Underground


Owner Name: Shamrock Silver Mining Co.
Home Office: P.O. Box 2416 Yakima, WA 98907
Years: 1980 -


Not available


Record Type: Site
Operation Category: Past Producer
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


Not available


Type: R
Structure: Faulted Anticlinal Uplift Of WNW Trend


Alteration Type: L
Alteration: Gouge

Alteration Type: L
Alteration: Silicification

Alteration Type: L
Alteration: Sericitization

Alteration Type: L
Alteration: Chloritization


Name: Argillite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Shale
Role: Host
Description: Limy
Age Type: Host Rock
Age Young: Neoproterozoic

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

Analytical Data

Not available


Ore: Galena
Ore: Tetrahedrite
Ore: Chalcopyrite
Gangue: Ankerite
Gangue: Quartz
Gangue: Pyrite


Comment (Development): 5 Unpatented Claims

Comment (Geology): Original Structures entry: Regional - Broad Much - Faulted Anticlinal Uplift Of Wnw Trend

Comment (Geology): Original alteration entry: Local - Gouge; Chloritization; Sericitization; Silicification


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

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.