The Bryant is a silver and manganese mine located in Granite county, Montana.
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
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.
Bryant MRDS details
Site Name
Primary: Bryant
Secondary: Lady Bryant
Secondary: Seal Rock
Commodity
Primary: Silver
Primary: Manganese
Location
State: Montana
County: Granite
District: Philipsburg (Granite-Flint Creek) District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Philipsburg Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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: CELLULAR, CAVERNOUS
Structure
Type: R
Description: Philipsburg Batholith
Type: L
Description: Philipsburg Anticline, Philipsburg Overthrust
Alterations
Alteration Type: L
Alteration Text: Oxidized
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian
Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian
Analytical Data
Analytical Data: 45% MN AND NOT MORE THAN 17% SIO2, AVERAGE MN IS 38%
Materials
Ore: Wad
Ore: Silver
Ore: Psilomelane
Gangue: Quartz
Comments
Comment (Location): ON THE DIVIDE BETWEEN CAMP CREEK AND CLIFF GULCH.
Comment (Production): 13000 TONS OF MN ORE WAS PRODUCED FROM 1918-1922.
Comment (Deposit): ORE BODY RANGES FROM 50-150 FT IN STOPE LENGTH AND TO BE 40 FT WIDE IN ONE PLACE. ORE CONSISTS OF CLOSELY PACKED NODULES THAT RANGE FROM 1 IN TO A FT OR MORE IN DIAMETER.
Comment (Workings): LARGE PIT WITH A SHAFT ALONG SIDE, DRIFTS, STOPES.
References
Reference (Deposit): USGS BULL 725, P. 166-67.
Reference (Deposit): USGS BULL 1237, P. 31-57, PLATES
Reference (Production): USGS BULL 725, P. 166
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.
