The Hornsilver Mine is a silver mine located in Butte county, Idaho at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Silver
Lat, Long: 43.5967, -113.57220
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: Horn Silver
Secondary: Era-Hornsilver
Commodity
Primary: Silver
Secondary: Gold
Tertiary: Lead
Tertiary: Copper
Tertiary: Antimony
Tertiary: Bismuth
Tertiary: Zinc
Location
State: Idaho
County: Butte
District: Lava Creek 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.
Holdings
Type: Patented
Type: Located Claim
Workings
Type: Surface/Underground
Ownership
Owner Name: Era Mining And Development Co.
Owner Name: Era Mining And Development Co.
Years: 1948 -
Production
Year: 1887
Time Period: 1886-1887
Material type: ORE
Description: Cp_Grade: ^30 Oz Ag/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Surface-Underground
Discovery Year: 1883
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Pioneer Mountains
Mineral Deposit Model
Not available
Orebody
Form: VEINLETS
Structure
Type: L
Structure: Minor Faults
Alterations
Alteration Type: L
Alteration: Sericitization
Alteration Type: L
Alteration: Silicification
Alteration Type: L
Alteration: Fe Stains
Alteration Type: L
Alteration: Oxidation
Rocks
Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene
Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Andesite
Role: Associated
Age Type: Host Rock Unit
Age Young: Early Permian
Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Wurtzite
Ore: Enargite
Ore: Sphalerite
Ore: Famatinite
Ore: Tetrahedrite
Ore: Galena
Ore: Cerargyrite
Ore: Stannite
Ore: Chalcopyrite
Gangue: Pyrite
Gangue: Chalcedony
Gangue: Quartz
Gangue: Marcasite
Gangue: Barite
Comments
Comment (Location): Head Of Champagne Creek On S Side Valley
Comment (Deposit): Vein Several Hundred Yards Long But Only 300 Ft Mined; Vein Strike Ranges From N 10 - 20 Deg E
Comment (Workings): Pits, Cuts, Shafts, Caved Tunnels All Inaccessible; Diamond Drill Holes By USBM In 1946
Comment (Geology): Copper Basin Formation Inferred From Nelson And Ross (1968)
Comment (Production): Production Above Probably Includes Some From Last Chance Mine; Value Item 8, $149,000; 393.17 Oz Au And Some Cu Produced 1943-1946 Also
Comment (Development): 9 Unpatented, 10 Patented Claims
Comment (Geology): Original Structures entry: Minor Faults
Comment (Geology): Original Alteration entry: Oxidation, Fe Stains, Silicification, Sericitization
Comment (Geology): Original Ore Control entry: Brecciated Zone, Fissures
References
Reference (Deposit): Anderson, A. L., 1929, Geology And Ore Deposits Of The Lava Creek District, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 32, 70 P.
Reference (Deposit): Anderson, A. L., 1947, Epithermal Mineralization At The Last Chance And Hornsilver Mines, Lava Creek District, Butte County, Idaho: Geol. Soc. America Bulletin, V. 58, No. 5, P. 451-482
Reference (Deposit): Roby, R. N., 1948 Investigation Of The Hornsilver Lead-Zinc Property, Butte County, Idaho: USBM Rept. Inv. 4277, 15 P.
Reference (Deposit): Umpleby, J. B., 1917, Geology And Ore Deposits Of The Mackay Region, Idaho: USGS Prof. Paper 97, 129 P.
Reference (Deposit): Nelson, W. H., And Ross, C. P., 1968, Geology Of Part Of The Alder Creek Mining District, Custer County, Idaho: USGS Bulletin 1252-A, 30 P.
Reference (Deposit): USBM, 1947, Gold, Silver, Copper, Lead, And Zinc In Idaho: USBM Mineral Yearbook For 1945, P. 355-380
Reference (Production): Roby, R. N., 1948, USBM Rept. Inv. 4277; Items 1-6, USBM, 1947, Mineral Yearbook For 1945
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.
