The Modoc and American Flag Claims is a gold mine located in Granite county, Montana at an elevation of 8,241 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: 8,241 Feet (2,512 Meters)
Commodity: Gold
Lat, Long: 46.27972, -113.17000
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.
Modoc and American Flag Claims MRDS details
Site Name
Primary: Modoc and American Flag Claims
Commodity
Primary: Gold
Secondary: Copper
Tertiary: Barium-Barite
Location
State: Montana
County: Granite
District: Red Lion-Hidden Lake District
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement Vein
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Flint Creek Range
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Philipsburg Batholith
Type: L
Description: Philipsburg Batholith
Alterations
Not available
Rocks
Name: Marble
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian
Name: Marble
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian
Analytical Data
Not available
Materials
Ore: Gold
Ore: Bornite
Ore: Chalcopyrite
Gangue: Pyrite
Gangue: Calcite
Gangue: Quartz
Gangue: Barite
Gangue: Limonite
Comments
Comment (Location): N OF HANNAH MINE ON SADDLE BETWEEN THE VALLEYS OF FL1NT AND WARM SPRINGS CR. ; INFO FROM LAND.ST :(1971)
Comment (Production): SOME ORE HAS BEEN MILLED IN AN ARRASTRE
Comment (Deposit): BORDER OF PHILIPSBURG BATHOLITH PASSES THROUGH CLAIM, A FISSURE WHICH PARALLELS THE RED LION VEIN. AN ALTERED ZONE ON THE MODOC CLAIM IS 30-75 FT WIDE, STRIKES N 40 E AND IS EXPOSED IN SEVERAL PLACES FOR A DISTANCE OF SEVERAL HUNDRED FT.
Comment (Workings): MAY BE ON EXTENSION OF RED LION VEIN. CROSSCUT DRIVEN FROM WARM SPRING CREEK WESTWARD TO REACH ORE IN DEPTH BUT WAS INACCESSIBLE IN 1906 SEVERAL SHALLOW SHAFTS, SHORT TUNNELS, TRENCHES
Comment (Geology): COARSE GRANODIORITE OF PHILIPSBURG BATHOLITH IN CONTACT WITH STRONGLY ALTERED LIMESTONE. GRANODIORITE NEAR CONTACT CONTAINS CALCITE.
References
Reference (Deposit): MBMG BULL 84, P. 40, 42-44.
Reference (Deposit): USGS PP 78, P. 239.
Reference (Production): USGS PP 78.
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.
