The Dacotah Mine is a lead, zinc, and silver mine located in Cascade county, Montana at an elevation of 6,749 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: 6,749 Feet (2,057 Meters)
Commodity: Lead, Zinc, Silver
Lat, Long: 46.94556, -110.72333
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.
Dacotah Mine MRDS details
Site Name
Primary: Dacotah Mine
Commodity
Primary: Lead
Primary: Zinc
Primary: Silver
Secondary: Copper
Secondary: Gold
Location
State: Montana
County: Cascade
District: Neihart Mining District
Land Status
Not available
Holdings
Not available
Workings
Type: Unknown
Ownership
Owner Name: Clarke, Frances
Owner Name: Bennett, Carroll
Owner Name: Bennett, Josephine
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1891
Discovery Year: 1883
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: Little Belt Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: 3.5 OZ/TON AG., 6.5% PB, 10% ZN TRACE AU
Materials
Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Reserve-Resource): SAME AS FOR RESERVES AND POTENTIAL RESOURCES
Comment (Production): PRODUCTION 1942-49 MORE THAN 1 MILLION LBS. OF PB, NEARLY 3 MILLION LBS. ZN, APPRECIABLE AG, AND SOME CU AND AU
Comment (Workings): VEIN HAS BEEN EXPLORED ON 4 ADIT LEVELS STOPES EXTEND ALONG DIP FOR 350 FT.
Comment (Deposit): VEIN FOLLOWS A WELL-DEFINED FISSURE IN LIGHT-COLORED GNEISS BUT IT TIGHTENS AND NARROWS WHERE IT ENTERS PINTO DIORITE.
References
Reference (Deposit): ROBERTSON, A.F., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) CASCADE COUNTY, MONTANA: U.S. BUREAU OF MINES INFO. CIRC. 7589, P. 33-34
Reference (Deposit): WEED, W.H., 1900, GEOLOGY OF THE LITTLE BELT MOUNTAINS, MONT: USGS 20TH ANN. RPT. PT. 3 P. 432-433
Reference (Deposit): KEEFER, W.R., 1972, GEOLOGIC MAP OF THE WEST HALF OF THE NEIHART 15-MINUTE QUADRANGLE, CENTRAL MONTANA: USGS, MISC. GEOL. INV. MAP I-726
Reference (Production): U.S. BUREAU OF MINES INFO. CIRC. 7589
Reference (Reserve-Resource): DMEA FILES
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.
