The Lotta Tunnel is a gold and silver mine located in Jefferson county, Montana.
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
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.
Lotta Tunnel MRDS details
Site Name
Primary: Lotta Tunnel
Commodity
Primary: Gold
Primary: Silver
Secondary: Zinc
Location
State: Montana
County: Jefferson
District: Basin District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Jefferson Developement Co.
Home Office: C/O A.B., Moody, Everett, Wash.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR VEINS AND PODS
Structure
Type: L
Description: Fault N 45 E, Dip 35-45 N
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: GOLD ORE ASSAYED AS HIGH AS 17 OZ/TON
Materials
Ore: Gold
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Production): $75,000 FREE MILLING GOLD ORE 1890-1911. 1,000 TONS OF ORE WITH LESS THAN .5 OZ/TON AU IN 1953-1954.
Comment (Location): PREVIOUS QUAD DESIGNATION = DILLON 1:250000
References
Reference (Deposit): RUPPEL EDWARD T., 1963, GEOLOGY OF THE BASIN QUADRANGLE, JEFFERSON, LEWIS AND CLARK, AND POWELL COUNTIES, MONTANA, U.S. GEOLOGICAL SURVEY BULLETIN NO. 1151, 121 P.
Reference (Deposit): STOUT, 1959, MONT. BM & GEOL., BULL. 10, P 28.
Reference (Deposit): ROBY, R. N., ACKERMAN, W. C., FULKERSON, F. B., AND CROWLEY, F.A., 1960, MINES AND MINERAL DEPOSITS, JEFFERSON COUNTY, MONT.: MONT. BUREAU OF MINES AND GEOLOGY BULL. 16, 122 P.
Reference (Production): RUPPEL EDWARD T., 1963, U.S.G.S. BULL. NO. 1151, P. 112.
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
