Regal Mine

The Regal Mine is a gold mine located in Boundary county, Idaho at an elevation of 3,799 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: Regal Mine  

State:  Idaho

County:  Boundary

Elevation: 3,799 Feet (1,158 Meters)

Primary Mineral: Gold

Lat, Long: 48.8506, -116.25970

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 Regal Mine

Regal Mine MRDS details

Site Name

Primary: Regal Mine
Secondary: Silver Crescent
Secondary: Commercial


Primary: Gold
Tertiary: Silver
Tertiary: Lead
Tertiary: Zinc
Tertiary: Copper


State: Idaho
County: Boundary
District: Moyie - Yaak 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: Kaniksu National Forest


Not available


Type: Underground


Owner Name: Silver Crescent, Inc.


Year: 1946
Time Period: 1937-1946
Material type: ORE
Description: Cp_Grade: ^0.2 Oz Au/Ton, 2.5 Oz Ag/Ton, 3 % Pb, 3 % Zn


Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Year First Production: 1937
Discovery Method: Unknown
Years of Production:
Significant: N
Deposit Size: S


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

Mineral Deposit Model

Not available




Type: R
Description: Purcell Trench Trends Nne, Located W. Of Mine; Moyie - Lenia Fault Trends N, Located E Of Mine

Type: L
Description: Kaniksu Batholith; Shearing; Minor Faults


Alteration Type: L
Alteration Text: Oxidation


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

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Analytical Data

Analytical Data: TENOR OF MILL HEADS: 0.2 OZ/TON AU, 2.5 OZ/TON AG, 3% PB, 3.5% ZN, 10% FE


Ore: Galena
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Tetrahedrite
Gangue: Quartz
Gangue: Siderite
Gangue: Calcite
Gangue: Pyrite


Comment (Development): 52 Unpatented Claims

Comment (Deposit): 2 Parallel Veins Called North And South

Comment (Workings): Concentrating Mill At The Mine; Mine Idle Except For Assessment Work; 3 Levels

Comment (Commodity): Pb Isotopes: Pb206/Pb204 = 18.247; Pb207/Pb204 = 15.604; Pb208/Pb204 = 37.798

Comment (Location): W. Base Of Wall Mountain

Comment (Production): $300,000 Production

Comment (Geology): Ore Associated With Bethlehem Fault; Of Intermediate Temperature Or Mesothermal Deposition; Mobilized By Plutonic Activity


Reference (Deposit): Anderson, A. L., And Wagner, W. R., 1945, Lead - Zinc Mineralization In The Moyie - Yaak District Near Bonners Ferry, Boundary Co., Idaho: Idaho Bureau Of Mines And Geol. Pamphlet 73, 9 P.

Reference (Deposit): 1945 Other Idaho Bureau Of Mines & Geol. Pamphlet 7

Reference (Deposit): Kiilsgaard 1951 Idaho Bureau Of Mines And Geology Pamph 85, P. 30

Reference (Deposit): Brackebusch, F. W., 1969, Economic Geology Of The Queen Mountain Area, A Part Of The Purcell Range, Boundary County, Idaho: Unpublished Thesis, Univ. Idaho, 76 P.

Reference (Deposit): Zartman, R. E., And Stacey, J. S., 1971, Lead Isotopes And Mineralization Ages In Belt Supergroup Rocks, Northwestern Montana And Northern Idaho: Econ. Geol., V. 66, P. 849 - 860.

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.