Marietta Mine

The Marietta Mine is a gold, silver, and lead mine located in Broadwater county, Montana at an elevation of 6,801 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

Name: Marietta Mine  

State:  Montana

County:  Broadwater

Elevation: 6,801 Feet (2,073 Meters)

Commodity: Gold, Silver, Lead

Lat, Long: 46.37639, -111.71250

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.


Satelite image of the Marietta Mine

Marietta Mine MRDS details

Site Name

Primary: Marietta Mine


Commodity

Primary: Gold
Primary: Silver
Primary: Lead
Secondary: Zinc


Location

State: Montana
County: Broadwater
District: Park (Indian Creek) District


Land Status

Not available


Holdings

Not available


Workings

Type: Unknown


Ownership

Owner Name: Northern Milling Co., Inc.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1880
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: TABULAR


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Wallrock Silicified, Bleached, And Pyritized For 6 To 8 Feet On Each Side Of The Vein.


Rocks

Name: Mafic Intrusive Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Mafic Intrusive Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: 200 TONS SHIPPED IN 1954 AVERAGED 1.95 OZ AV. AND 6.35 OZ AG/TON, 3% PB, 2% ZN.


Materials

Ore: Galena
Ore: Sphalerite
Ore: Tetrahedrite
Ore: Tennantite
Ore: Chalcopyrite
Ore: Gold
Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Production): ITEM 8 INCLUDES SOME GOLD FROM PLACERS.

Comment (Development): THREE VEINS ARE DEVELOPED IN THE MARIETTA MINE.

Comment (Workings): MINE DEVELOPED BY 5 MAIN ADIT LEVELS AND 1 INTERMEDIATE LEVEL


References

Reference (Deposit): SCHELL, E.M., 1963, ORE DEPOSITS OF THE NORTHERN PART OF THE PARK (INDIAN CREEK) DISTRICT, BROADWATER COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOL. BULL. 35

Reference (Deposit): REED, G.C., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) BROADWATER COUNTY, MONTANA: U.S. BUREAU OF MINES INFO. CIRC. 7592, P. 48-49

Reference (Deposit): KLEPPER, M.R., RUPPEL, E.T., FREEMAN, V.L. AND WEEKS, R.A., 1971, GEOLOGY AND MINERAL DEPOSITS, EAST FLANK OF THE ELKHORN MOUNTAINS, BROADWATER COUNTY, MONTANA: USGS PROF. PAPER 665, P. 42

Reference (Production): SCHELL, E.M., 1963, MONTANA BUREAU OF MINES BULL. 35 AND OME FILES.


Principal Gold Districts of Montana

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.