Cynide Gold Mining Property Mine

The Cynide Gold Mining Property Mine is a silver and lead mine located in Boundary county, Idaho at an elevation of 5,299 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: Cynide Gold Mining Property Mine  

State:  Idaho

County:  Boundary

Elevation: 5,299 Feet (1,615 Meters)

Primary Mineral: Silver, Lead

Lat, Long: 48.8733, -116.05470

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 Cynide Gold Mining Property Mine

Cynide Gold Mining Property Mine MRDS details

Site Name

Primary: Cynide Gold Mining Property Mine
Secondary: Cyanide Gold Mining
Secondary: Buckhorn Mine
Secondary: Deer Creek Gold Mining Co.
Secondary: Hoosier Boy


Primary: Silver
Primary: Lead
Secondary: Gold
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


Type: Located Claim


Type: Underground


Not available


Not available


Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
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


Not available


Type: L
Structure: Shear Zone
Description: Shear Zone 3 To 5 Ft Thick, 1 Ft Wide


Not available


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

Analytical Data: PB ISOTOPES: PB206/PB204 = 17.927 PB207/PB204 = 15.561 PB208/PB204 = 37.963


Ore: Galena
Ore: Gold
Ore: Silver
Gangue: Pyrite
Gangue: Quartz


Comment (Location): Original coordinates for line#1 were: lat/long NAD27 48-52-N 116-3-40W (48.86667 -116.06111); UTM N5412839 E568857 Z11N; PLSS line# 1: Meridian- Boise, TWNSHP 064N, RNG 003E, Sect 27, Sect_fract .

Comment (Development): 6 Unpatented Claims; 675 H. P. Hydroelectric Plant On Moyie River And 10 Mi Transmission Line

Comment (Location): Nw Slope Of Buckhorn Mountain About 1/2 Mi From Montana - Idaho Line

Comment (Commodity): Samples Reported Varying Worth $2.90 To $40.00 Across 2 1/2 Ft.

Comment (Production): Small Tonnage Of Au - Bearing Sulfides To Bunker Hill Smelter, Kellogg. Some Au Ore Produced In 1925.

Comment (Workings): Construction And Development Based On Ore $10/Ton For A Width Of 4 Ft; 6 Adit - Tunnels; 3 Ore Shoots 250, 200, And ? Ft. In Length; Equipment: 130 Cu Ft Gas - Driven Compressor, 400 Cu Ft. Electrically - Driven Compressor, 30 - 40 Man Camp, 4200 Ft. Aerial Tram Way Connecting Mine And Mill; Well - Equipped Cyanide Plant (200 Ton)

Comment (Geology): Quartzite Strikes N 30 - 40 Deg W, Dips 45 - 55 Deg Sw.


Reference (Deposit): Soper, E. K., 1918 , Mining Districts Of Northern Idaho: Mining And Scientific Press, V. 116 , P. 121 - 126

Reference (Deposit): Calkins, F. C., 1909, A Geological Reconnaissance In Northern Idaho And Northwestern Montana: U.S. Geological Survey Bulletin 384, P. 107-108.

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.

Reference (Deposit): Lancaster, J., 1910, Mining World, V. 32, P. 100.

Reference (Deposit): Kirkham, Virgil R. D., And Ellis, Ernest W., 1926, Geology And Ore Deposits Of Boundary County, Idaho: Idaho Bureau Of Mines And Geology Bulletin No. 10, 78 P.

Reference (Deposit): Bishop, Don, Geology Of Boundary County: Idaho Bureau Of Mines And Geology Pamphlet In Preparation.

Reference (Deposit): 1926 Geolmap Idaho Bureau Of Mines & Geol. Bulletin 10

Reference (Deposit): 1973 Recon Idaho Bureau Of Mines And Geol. O.F. Rept.

Reference (Production): Kirkham And Ellis, 1926, Idaho Bureau Of Mines And Geol. Bulletin 10

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.