The Londonderry Mine is a silver and gold mine located in Granite county, Montana at an elevation of 5,000 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: 5,000 Feet (1,524 Meters)
Commodity: Silver, Gold
Lat, Long: 46.47306, -113.24389
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.
Londonderry Mine MRDS details
Site Name
Primary: Londonderry Mine
Secondary: Goldonna Mine
Commodity
Primary: Silver
Primary: Gold
Secondary: Lead
Secondary: Zinc
Location
State: Montana
County: Granite
District: Maxville District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
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: John Long Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Philipsburg Anticline, Philipsburg Batholith
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: $6.50/TON AU, 50 OZ/TON AG
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Deposit): 2 PARALLEL VEINS
Comment (Workings): SHORT TUNNELS, OPEN CUTS
Comment (Deposit): SHORT ADITS, OPENCUTS. ; INFO.SRC : 1 PUB LIT
Comment (Location): MINE ON BORDER OF SECTIONS 4 AND 5.
Comment (Production): FIVE CARS OF ORE. (PRE 1906). PRODUCTION WAS RECORDED FOR 1913, 1917,1923, 1925, 1926, 1938.
References
Reference (Production): EMMONS, 1913, USGS PROF PAPER 78. USGS-USBM MINERAL YEARBOOKS
Reference (Deposit): USGS PP 78, P. 259.
Reference (Deposit): MCGILL, G.E., 1959, GEOLOGIC MAP OF THE NORTHWEST FLANK OF THE FLINT CREEK RANGE, WESTERN MONTANA: MONT. BUREAU OF MINES AND GEOL.
Reference (Deposit): USGS-USBM MINERAL YEARBOOKS 1913, 1917, 1923, 1925, 1926, 1938.
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.
