The Monument Mine is a gold mine located in Lemhi 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: Gold
Lat, Long: 44.8628, -114.41220
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.
Monument Mine MRDS details
Site Name
Primary: Monument Mine
Secondary: Singiser
Secondary: Singeiser
Secondary: Singheiser
Secondary: Singiser-Monument Mine
Secondary: Monument Cove
Commodity
Primary: Gold
Tertiary: Copper
Tertiary: Silver
Tertiary: Tellurium
Tertiary: Selenium
Location
State: Idaho
County: Lemhi
District: Gravel Range 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: Salmon National Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Quantex Corp.
Owner Name: Oregon Idaho Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
Year First Production: 1872
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: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Analytical Data: VEIN AVG. VALUE $14 AU, AG/TON (1902), PAY STREAK RANGE $60 - 100 AU, AG/TON, 50 % AU, 50 % AG (1902)
Materials
Gangue: Quartz
Comments
Comment (Location): Jct. Arrastre Cr And Silver Cr
Comment (Development): Econ.Com: Production Operated By Arrastre; Halted By Inefficient Method Of Treatment
Comment (Workings): 3 Levels
Comment (Geology): Original ore control entry: Fissure, Breccia Zone
References
Reference (Deposit): Ross, C. P., 1927 , Ore Deposits In The Tertiary Lava In The Salmon River Mountains, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 25 , 20 P.
Reference (Production): Umpleby, J. B., 1913, USGS Bulletin 528, 182 P.
Reference (Deposit): Umpleby, J. B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P.
Reference (Deposit): Carr, H. S., 1909, Vein Structure In The Monument Mine: Mining And Scientific Press, V. 98, No. 16, P. 557 - 558.
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.
