The East Pacific Mine is a gold and silver mine located in Broadwater county, Montana at an elevation of 5,879 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: 5,879 Feet (1,792 Meters)
Commodity: Gold, Silver
Lat, Long: 46.42139, -111.69889
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.
Mine Description
NOTE: a request was made to note that the current owner is East Pacific Mines, Inc., P.O. Box 14006, Spokane Valley, Washington 99214.
East Pacific Mine MRDS details
Site Name
Primary: East Pacific Mine
Commodity
Primary: Gold
Primary: Silver
Secondary: Lead
Secondary: Zinc
Location
State: Montana
County: Broadwater
District: Winston District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Herb Carver C/O Western Laboratories Helena, Mt
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1882
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Elkhorn Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Boulder Batholith, Lombard Overthrust
Type: L
Description: Frieburg Stock
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Gold
Ore: Pyrite
Ore: Galena
Ore: Tetrahedrite
Comments
Comment (Reserve-Resource): ASSUME TOTAL MINERALIZED AREA 2 FT BY 1400 FT BY 1800 FT LESS ESTIMATED 250,000 ST MINERALIZED GROUND ALREADY MINED. GRADE IS 30% AVERAGE GRADE OF ORE MINED
Comment (Location): UTM LOCATION OF PORTAL OF #4 ADIT
Comment (Production): PRODUCTION ESTIMATED FROM DOLLAR VALUE USING AVERAGE OF 1900-1949 METAL PRICES
Comment (Workings): MINE DEVELOPED BY AT LEAST 4 ADITS AND 16 LEVELS. FRIEBURG MINE ON NORTHEAST EXTENSION OF VEIN
Comment (Deposit): FRIEBURG VEIN WITHIN FRIEBURG STOCK APPEARS TO BE CONTINUATION OF EAST PACIFIC VEIN
References
Reference (Production): REED (1951) GIVES ESTIMATED OUTPUT GREATER THAN $2,000,000 AND GRADE. PRODUCTION FOR 1901-1948 WAS 35,647 ST ORE WITH AVERAGE GRADE.
Reference (Deposit): EARLL, F. N., 1964, ECONOMIC GEOLOGY AND GEOCHEMICAL STUDY OF WINSTON MINING DISTRICT, BROADWATER COUNTY, MONTANA: MONTANA BUREAU OF MINES GEOL. BULL. 41
Reference (Deposit): REED, G. C., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), BROADWATER COUNTY, MONTANA: U.S. BUREAU OF MINES INF. CIRC. 7592
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.
