The Goldfinch Group is a lead, gold, silver, and copper mine located in Beaverhead county, Montana at an elevation of 6,818 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: 6,818 Feet (2,078 Meters)
Commodity: Lead, Gold, Silver, Copper
Lat, Long: 45.30778, -112.89972
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.
Goldfinch Group MRDS details
Site Name
Primary: Goldfinch Group
Commodity
Primary: Lead
Primary: Gold
Primary: Silver
Primary: Copper
Secondary: Zinc
Location
State: Montana
County: Beaverhead
District: Argenta District
Land Status
Land ownership: Private
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
Type: Underground
Ownership
Owner Name: Russell, H. C.
Home Office: Seattle, Washington
Production
Year: 1954
Time Period: 1902 - 1954
Material type: AU
Description: Cp_Grade: ^0.59 Oz/St
Year: 1954
Time Period: 1902 - 1954
Material type: PB
Description: Cp_Grade: ^2.5 %
Year: 1954
Time Period: 1902 - 1954
Material type: AG
Description: Cp_Grade: ^7 Oz/St
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1885
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Pioneer Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENS
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Oxidation, Gouge Zone
Rocks
Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Name: Andesite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Galena
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Deposit): Discovery Year: 1880'S
Comment (Location): SW 1/4, SECTION 13
Comment (Production): MOST OF THE ORE FROM THE GROUP WAS PRODUCED BETWEEN 1932 AND 1937
Comment (Development): GOLDFINCH GROUP CONSISTS OF GOLDFINCH, JACK, DOLPHIN, HARMON, SUNNY DAY, SOUTHSIDE, GOLDEN CROWN, BIG LODE, CALDEONIA, THREE CHEERS, AND ALL NATIONS, UNPATENTED CLAIMS.
Comment (Deposit): ORE LENSES RANGE FROM .3 TO 5 M WIDE, AND RAKE TO THE NORTH AT 65 DEG.
Comment (Workings): DEPOSIT HAS BEEN WORKED BY SEVERAL SHAFTS. THE DEEPEST AT 220 FT WAS THE MEADOW LARK, BUT ALL ARE REPORTED CAVED (1972) EXCEPT GARDNER SHAFT (90 FT.)
References
Reference (Deposit): MBMG BULL 85
Reference (Deposit): 1972 COMPILE M.B.M.G. BULL. 8
Reference (Production): GEACH, 1972, MBMG BULL. 85
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.