Eureka Prospect

The Eureka Prospect is a copper mine located in Boundary county, Idaho at an elevation of 2,001 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: Eureka Prospect  

State:  Idaho

County:  Boundary

Elevation: 2,001 Feet (610 Meters)

Primary Mineral: Copper

Lat, Long: 48.6181, -116.06670

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 Eureka Prospect

Eureka Prospect MRDS details

Site Name

Primary: Eureka Prospect
Secondary: Kate Fry Group
Secondary: McGinty
Secondary: Ebba
Secondary: Wedge
Secondary: Homestake


Primary: Copper
Tertiary: Lead
Tertiary: Silver


State: Idaho
County: Boundary
District: Moyie - Yaak District

Land Status

Land ownership: Private
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.


Type: Patented
Type: Located Claim


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Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Purcell Range - Cabinet Mountains

Mineral Deposit Model

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

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

Analytical Data

Not available


Ore: Galena
Ore: Chalcopyrite
Gangue: Pyrite
Gangue: Pyrrhotite
Gangue: Quartz


Comment (Location): N. Side Of Boulder Creek

Comment (Production): Test Shipment Of Ore Was Made In The Early 1900'S.

Comment (Development): Patented In 1893

Comment (Location): 7/75 Kirkham And Ellis (1926) Give The Location As Sec 27; Their Map Shows The Mine In Sec 28.


Reference (Production): Miller, D. A., 1973, Univ. Of Idaho, Ms Thesis, 103 P.

Reference (Deposit): Miller, D. A., 1973, Geology Of The Leonia Knob Area, Boundary County, Idaho: Moscow, Idaho, Univ. Of Idaho, Ms Thesis, 103 P

Reference (Deposit): Bennett and others, 2000, Bonners Ferry Ranger District USFS AML field report (Panhandle NF, v. 8).

Reference (Deposit): Kirkham And Ellis, 1926, Idaho Bureau Of Mines And Geology Bulletin 10, P. 63

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.