The Big Four Prospect is a silver mine located in Flathead county, Montana at an elevation of 3,901 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: 3,901 Feet (1,189 Meters)
Commodity: Silver
Lat, Long: 47.96472, -114.35111
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.
Big Four Prospect MRDS details
Site Name
Primary: Big Four Prospect
Commodity
Primary: Silver
Secondary: Copper
Secondary: Gold
Location
State: Montana
County: Flathead
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: Bill And Matt Wilhelm
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1905
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: Salish Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Nw-Plunging Anticline To The West; Large Scale N-Trending And W-Trending Faults To The East.
Alterations
Not available
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: CHANNEL SAMPLE NORMAL TO VEIN ASSAYED 0.11 % CU, 0.20 OZ/TON AG, 0.001 OZ/TON AG
Materials
Gangue: Quartz
Comments
Comment (Deposit): QUARTZ VEIN IS VUGGY
Comment (Workings): WORKINGS CONSIST OF ONE ADIT WITH A 75 FT DRIFT.
Comment (Geology): FISSURE VEINS IN THIS AREA TEND TO LIE PARALLEL TO FAULTS. COUNTRY ROCK STRIKES N 15 DEG W AND DIPS 30 DEG E. ; GEOL.DESC: 12.5 INCH VUGGY WHITE QTZ VEIN, 0.11% CU, 0.2 OZ AG, 0.001 OZ AU PER TON
Comment (Location): WEST FORK OF DAYTON CREEK, NE BANK.
Comment (Development): LAST CLAIM HOLDERS WERE SONS OF ORIGINAL LOCATOR.
References
Reference (Deposit): JOHNS, W. M., 1964 , GEOLOGIC INVESTIGATIONS IN THE KOOTENAI-FLATHEAD AREA, NORTHWEST MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 42 , PP. 46 - 47 .
Reference (Deposit): JOHNS, W. M., 1970 , GEOLOGY AND MINERAL DEPOSITS OF LINCOLN AND FLATHEAD COUNTIES, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 79 , P 144 .
Reference (Deposit): CONSV. DIV. COMP. DATE, 12-22-1970
Reference (Analytical Data): SRC.REF: JOHNS, W. M., 1964 : MONTANA BUREAU OF MINES AND GEOLOGY, BULL 42 , P. 47 .
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.
