The Strawberry-Keystone Group is a gold and tungsten mine located in Madison county, Montana at an elevation of 6,519 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: 6,519 Feet (1,987 Meters)
Commodity: Gold, Tungsten
Lat, Long: 45.66389, -111.93583
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.
Strawberry-Keystone Group MRDS details
Site Name
Primary: Strawberry-Keystone Group
Commodity
Primary: Gold
Primary: Tungsten
Secondary: Silver
Location
State: Montana
County: Madison
District: Pony (Mineral Hill) District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Elling Estate, Alameda, California
Owner Name: Pony Tungsten Enterprises
Home Office: C/O Fred Box, Pony, Mt
Production
Year: 1955
Time Period: 1900 - 1955
Material type: AU
Description: Cp_Grade: ^0.3 Oz/St
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: Tobacco Root Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Scheelite
Comments
Comment (Deposit): TWO VEINS
Comment (Production): SCHEELITE PRODUCTION BEGAN IN 1954 BUT FIGURES UNAVAILABLE. PROD. YEARS 1900 - 1936 & 1954 - 1955
Comment (Workings): MINE COMPRISED OF KEYSTONE VEIN WHICH STRIKES N 62 E TO N 87 W AND A VARYING DIP OF 52 S TO 80 S AND THE STRAWBERRY VEIN THAT STRIKES 56 W TO WEST AND DIPS 52 N - 84 N.
Comment (Geology): THE KEYSTONE FAULTED VEINS APPEAR TO BE ASSOCIATED WITH THICK QTZ VEINS AND PEGMATITE. DIKES.
References
Reference (Deposit): LORAIN, 1937, GOLD LODE MINING - TOBACCO ROOT MOUNTAINS U.S. BUREAU OF MINES INF. CIRC. 6972.
Reference (Deposit): MBMG BULL 10, P. 44.
Reference (Deposit): MBMG MEM 9, P. 28.
Reference (Deposit): REID, R. R., 1958, THE STRAWBERRY - KEYSTONE GOLD - TUNGSTEN PROPERTY, PONY MINING DISTRICT, MADISON CO., MT., MT. BUREAU OF MINES & GEOL. INF. CIRC. 24.
Reference (Production): REID, 1958, MBMG INF. CIRC. 24.
Reference (Deposit): 1958 GEOLMAP M.B.M.G. INF CIRC. 24
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.
