The Florence Mine is a lead, zinc, and silver mine located in Cascade county, Montana at an elevation of 5,600 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: 5,600 Feet (1,707 Meters)
Commodity: Lead, Zinc, Silver
Lat, Long: 46.94611, -110.74333
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.
Florence Mine MRDS details
Site Name
Primary: Florence Mine
Commodity
Primary: Lead
Primary: Zinc
Primary: Silver
Secondary: Copper
Location
State: Montana
County: Cascade
District: Neihart Mining District
Land Status
Not available
Holdings
Not available
Workings
Type: Unknown
Ownership
Owner Name: Carroll Bennett
Owner Name: Dan Reeder And Associates
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1893
Discovery Year: 1886
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M
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
Type: L
Description: Moulton Fault Apparently Delimits Southwest Extension Of Ore
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: 38 OZ AG/TON, 8% PB, 3.5% ZN (AVERAGE OF PRODUCTION)
Materials
Ore: Galena
Ore: Polybasite
Ore: Pyrargyrite
Ore: Chalcopyrite
Gangue: Barite
Gangue: Pyrite
Comments
Comment (Reserve-Resource): OME FILES
Comment (Production): ZINC NOT REPORTED IN EARLY SALES. EARLY SHIPMENTS REPORTED TO AVERAGE 50-200 OZ AG/TON, 4-10% PB, AND 3-10% ZN
Comment (Workings): MINE DEVELOPED BY 6 ADITS PLUS VERTICAL SHAFT FROM WHICH 5 LEVELS WERE TURNED
References
Reference (Deposit): ROBERTSON, A.G., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) CASCADE COUNTY, MONTANA: U.S. BUREAU OF MINES. INFO. CIRC. 7589, P. 24-26
Reference (Deposit): SCHAFER, P.A., 1935, GEOLOGY AND ORE DEPOSITS OF THE NEIHART MINING DISTRICT, CASCADE COUNTY, MONTANA: MONTANA BUREAU OF MINES, MEM. 13, P. 34-36
Reference (Deposit): WEED, W.H., 1900, GEOLOGY OF THE LITTLE BELT MOUNTAINS, MONT: USGS, 20TH ANN. RPT. PT. 3, P. 425-426
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 (Deposit): 1893 GEOLMAP W.H. WEED, 20TH ANN. RPT.
Reference (Deposit): 1964 GEOLMAP W.R. KEEFER, MAP I-276
Reference (Reserve-Resource): OME FILES
Reference (Production): U.S.B.M. INFO. CIRC. 7589, P. 25
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.
