The Hermada Antimony Mine is a antimony mine located in Elmore county, Idaho at an elevation of 5,801 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: 5,801 Feet (1,768 Meters)
Commodity: Antimony
Lat, Long: 43.8597, -115.34360
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.
Hermada Antimony Mine MRDS details
Site Name
Primary: Hermada Antimony Mine
Commodity
Primary: Antimony
Location
State: Idaho
County: Elmore
District: Black Warrior Basin 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: Boise National Forest
Holdings
Type: Patented
Type: Located Claim
Workings
Not available
Ownership
Owner Name: Hermada Mining Co.
Production
Year: 1950
Time Period: 1947-1950
Material type: ORE
Description: Cp_Grade: ^12.74% Sb
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Surface-Underground
Year First Production: 1947
Discovery Year: 1947
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: Sawtooth Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Form: IRREGULAR
Structure
Type: L
Description: Nnw Hermada Fault And Fissure Zone
Alterations
Alteration Type: L
Alteration Text: Sericitization, Silicification, Pyritization, Calcification, Chloritization, Hydrothermal Alteration
Rocks
Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Stibnite
Ore: Kermesite
Ore: Stibiconite
Ore: Antimony
Ore: Cervantite
Gangue: Sericite
Gangue: Limonite
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Development): Other Claims Belonging To Hermada Mining Co.: Hermada Nos. 1 - 49, White Knob Nos. 19 - 30, Diana Lee, Carol Lee, Yellow Tom. ; Econ.Com: Low Lead And Arsenic Content Makes The Concentrate Desirable For The Chemical Industry.
Comment (Deposit): Veins Trend N 15 Deg W - N 10 Deg E
References
Reference (Deposit): Popoff, C. C., 1953, Hermada Antimony Deposit, Elmore County, Idaho: USBM Rept. Inv. 4950, 21 P.
Reference (Deposit): Idaho Dept. Of Labor And Industrial Services, July 1974 - June 1975, First Annual Rept. Addendum, 95 P.
Reference (Deposit): Hubbard, C.R., 1955 , A Survey Of The Mineral Resources Of Idaho: Idaho Bureau Of Mines And Geology Pamphlet 105 , 56 P.
Reference (Deposit): 1948 Geolmap USBM Rept. Inv. 4950
Reference (Deposit): 1955 Compile Idaho Bureau Of Mines And Geology Pamphlet 105
Reference (Deposit): 1975 Compile Idaho Dept. Labor And Ind. Serv., 1st Ann. Rept. Addendum
Reference (Production): Popoff, C. C., 1953, USBM Rept. Inv. 4950
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.
