The Mary Mark Lode is a silver, manganese, tungsten, and gold mine located in Madison county, Montana at an elevation of 6,201 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: 6,201 Feet (1,890 Meters)
Commodity: Silver, Manganese, Tungsten, Gold
Lat, Long: 45.56528, -111.96889
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.
Mary Mark Lode MRDS details
Site Name
Primary: Mary Mark Lode
Commodity
Primary: Silver
Primary: Manganese
Primary: Tungsten
Primary: Gold
Location
State: Montana
County: Madison
District: Potosi
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Potosi Tungsten Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1937
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: R
Description: Tobacco Root Batholith
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: AU - TRACE
Analytical Data: ASSAY RESULTS: WO3 - 1.46% AT 65% CONCENTRATES
Analytical Data: MN - 0.37%
Analytical Data: AG - 0.4 OZ/TON
Materials
Not available
Comments
Comment (Commodity): SAMPLE FROM DISCOVERY ADIT NO. 1
Comment (Workings): IMPROVEMENTS ON CLAIM: JEEP ROAD; SHAFT (NO. 2) - 100 FT. DEEP - CAVED AND INACCESSIBLE; DISCOVERY ADIT (NO. 1) - DRIVEN N. 80 DEG. E. INTO THE HILLSIDE FOR APPROX. 25 FT.
References
Reference (Deposit): 1963 DIREXPL USFS
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.
