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
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.
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" 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.
