The Speculation Mine is a gold mine located in Lemhi county, Idaho at an elevation of 3,550 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: 3,550 Feet (1,082 Meters)
Commodity: Gold
Lat, Long: 45.3683, -114.29750
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.
Speculation Mine MRDS details
Site Name
Primary: Speculation Mine
Secondary: Brittannic Mining Co.
Secondary: Kentuck
Commodity
Primary: Gold
Tertiary: Silver
Location
State: Idaho
County: Lemhi
District: Mineral Hill 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
Not available
Workings
Not available
Ownership
Owner Name: Brittannic Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
Discovery Year: 1887
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Description: Gneissic Granite
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Description: Gneissic Granite
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Gangue: Pyrite
Comments
Comment (Location): On Hillside Above Brittannic Mine
Comment (Production): $25000 Production Value Includes Production From Brittannic And Margaret Mines
Comment (Development): Speculation Mine, Along With The Brittannic Mine And Margaret Mine, Was Worked Under The Name Of Brittannic Mining Co.
References
Reference (Deposit): Gray, F. A., 1927, Ore Deposits Of The Mineral Hill District, Lemhi County, Idaho: Minneapolis, Minnesota, Univ. Of Minnesota, Phd Thesis
Reference (Production): Gray, F. A., 1927, Univ Of Minnesota, Phd Thesis
Reference (Deposit): Mines And Prospects Of The Elk City Quad., Idmb Mines And Prospects Map Series, Ve Mitchell, Et Al.
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.
