The Marietta Mine is a gold, silver, lead, and zinc mine located in Broadwater county, Montana at an elevation of 7,201 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: 7,201 Feet (2,195 Meters)
Commodity: Gold, Silver, Lead, Zinc
Lat, Long: 46.36472, -111.70583
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.
Marietta Mine MRDS details
Site Name
Primary: Marietta Mine
Commodity
Primary: Gold
Primary: Silver
Primary: Lead
Primary: Zinc
Secondary: Copper
Location
State: Montana
County: Broadwater
District: Park (Indian Creek)
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.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Northern Milling Co., Inc.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1880
Discovery Year: 1878
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: Elkhorn Mountains
Mineral Deposit Model
Not available
Orebody
Form: VEIN FILLING WITH SOME LOCALIZED THICKENING OF VEINS
Structure
Type: R
Description: Boulder Batholith, Lombard Overthrust Large North Trending Syncline
Type: L
Description: Small Scale Faulting, Altered Dikes On At Least 2 Levels Of Marietta, Also Quartz Diorites, Andesite
Alterations
Alteration Type: L
Alteration Text: Alteration Of Andesite Around Mineralized Veins
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Galena
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Gold
Gangue: Quartz
Comments
Comment (Commodity): SOME OXIDATION PRODUCTS IE, AZURITE, MALACHITE OTHER MINERALS OCCURING SIDERITE, MANGANO CALCITE, ANKERITE, COVELLITE
Comment (Development): REGIONAL GEOLOGIC MAPPING DONE BY USGS DURING THE SUMMER OF 1958
Comment (Deposit): DIMENSIONS OF DEPOSIT APPROXIMATED VEIN RANGES IN THICKNESS FROM SEVERAL INCHES TO 9 FT. THE GENERAL STRIKE OF THE VEINS CHANGES ON EACH LEVEL
Comment (Workings): APPROXIMATELY 8700 FEET OF WORKINGS, FROM MONTANA BUREAU OF MINES BULLETIN 35 PLATE 1
Comment (Geology): ALTERATION OF VOLCANICS IS SAID TO HAVE BEEN PROPYLITIZATION, SILICIFICATION OF THE ANDESITE, ARGILLIZATION OF FELDSPARS SURROUNDING MINERALIZATION
References
Reference (Deposit): KLEPPER, M. R. RUPPEL, E. T., FREEMAN, V. L., WEEKS, R. A., 1971, GEOLOGY AND MINERAL DEPOSITS, EAST FLANK OF THE ELKHORN MOUNTAINS, BROADWATER DOUNTY, MONTANA: US GEOL SURVEY PROF. PAPER 665, P. 41
Reference (Deposit): REED, G. C., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) BROADWATER COUNTY, MONT: US BUR MINES INF. CIRC. 7592, P. 48, 49
Reference (Production): SCHELL, E. M., 1963, NORTHERN PART PARK (INDIAN CREEK) DISTRICT PRODUCTION IS FOR ENTIRE PARK (INDIAN CREEK) DISTRICT THE MARIETTA MINE IS PROBABLY RESPONSIBLE FOR MOST OF THIS PRODUCTION
Reference (Deposit): SCHELL, E. M., 1963, ORE DEPOSITS OF THE NORTHERN PART OF THE PARK (INDIAN CREEK) DISTRICT, BROADWATER COUNTY, MONTANA: MONT. BUREAU OF MINES AND GEOL. BULL. 35, P. 1-38
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.
