The Pilot Mines is a silver, copper, and lead mine located in Jefferson 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.
Pilot Mines MRDS details
Site Name
Primary: Pilot Mines
Commodity
Primary: Silver
Primary: Copper
Primary: Lead
Secondary: Gold
Secondary: Zinc
Tertiary: Uranium
Location
State: Montana
County: Jefferson
District: Amazon District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Jeanette Taylor, Richland, Wa. And Ellen Augusta Donovan, Carmel, Ca..
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
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Boulder Batholith
Alterations
Alteration Type: L
Alteration Text: Oxidized, Silicified
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Gold
Ore: Galena
Ore: Malachite
Gangue: Pyrite
Gangue: Limonite
Gangue: Quartz
Comments
Comment (Location): 5 MI N OF BOULDER
Comment (Development): 2 PATENTED CLAIMS: PILOT, EAST PILOT
Comment (Deposit): MAIN VEIN IS A ZONE 3-5 FT WIDE CONTAINING MANY MASSIVE QUARTZ VEINS IN A MUCH WIDER ZONE OF SHEARED AND ALTERED ROCK
Comment (Workings): TWO SHAFTS. DEPTH AND LENGTH OF WORKINGS ESTIMATED.
References
Reference (Deposit): MBMG BULL 16, P. 21-2. PL. 1
Reference (Deposit): USGS PP 428, P. 94, PL. 1.
Reference (Production): MBMG BULL 16, P. 98.
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.
