Hornsilver Mine

The Hornsilver Mine is a copper, silver, lead, and gold mine located in Shoshone county, Idaho at an elevation of 3,202 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: Hornsilver Mine  

State:  Idaho

County:  Shoshone

Elevation: 3,202 Feet (976 Meters)

Commodity: Copper, Silver, Lead, Gold

Lat, Long: 47.4472, -115.93940

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 Hornsilver Mine

Hornsilver Mine MRDS details

Site Name

Primary: Hornsilver Mine
Secondary: Castle Rock Prospect
Secondary: Smart Aleck Prospect


Commodity

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


Location

State: Idaho
County: Shoshone
District: St. Joe District


Land Status

Land ownership: BLM Administrative Area
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.


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Day Mines; Castle Rock Min. Co

Owner Name: Sunshine Min. Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: St. Joe Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
Description: Placer Creek Fault


Alterations

Not available


Rocks

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

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


Analytical Data

Not available


Materials

Ore: Galena
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Siderite
Gangue: Pyrite


Comments

Comment (Location): GIVEN UTM IS FOR CASTLE ROCK ON S SIDE OF PLACER CK.

Comment (Production): ITEM 1 IS SELECTED ORE, YEAR UNKNOWN (PRE-1923)

Comment (Development): 10 UNPATENTED CLAIMS

Comment (Deposit): GIVEN STRIKE ON CASTLE ROCK VEIN; HORNSILVER VEIN STRIKES N 60 DEG W, DIPS 75 DEG S


References

Reference (Deposit): SPOKANE CHRONICLE, MARCH 31 , 1971 , JAN. 20 , 1977

Reference (Deposit): SUNSHINE'S 1974 ANNUAL REPORT.

Reference (Deposit): UMPLEBY, J. B., AND JONES, E. L., JR., 1923 , GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY; IDAHO: USGS BULL. 732 , 156 P.

Reference (Deposit): Hobbs, S. W., And Others, 1965 , Geology Of The Coeur D'Alene District, Shoshone County, Idaho: USGS Prof. Paper 478 , 139 P.

Reference (Deposit): 1923 GEOLMAP UMPLEBY AND JONES, BULL. 73

Reference (Production): UMPLEBY, J. B., AND JONES, E. L., JR., 1923 , USGS BULL. 732 , 156 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: Where to Find Gold in Idaho.