The Big Four Mine is a gold, silver, and lead mine located in Elko county, Nevada.
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.
Big Four Mine MRDS details
Site Name
Primary: Big Four Mine
Commodity
Primary: Gold
Primary: Silver
Primary: Lead
Tertiary: Zinc
Tertiary: Iron
Location
State: Nevada
County: Elko
District: Aura
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Phil Heater
Years: 1980 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement Vein
Operation Type: Unknown
Year First Production: 1908
Discovery Year: 1908
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: L
Description: Fault Contact With Granodiorite
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Gold
Ore: Galena
Ore: Chalcopyrite
Comments
Comment (Production): SEVERAL SHIPMENTS OF ORE WERE MADE IN 1908. ORE ALSO CONTAINED SOME ZINC.
Comment (Development): SEVERAL ORE SHIPMENTS WERE MADE IN 1908. LISTED AS ACTIVE MINE & CYANIDIZATION MILL IN 1980, EMPLOYING 3 PERSONS
Comment (Deposit): REPLACEMENT VEIN & FISSURES & SHEARS
Comment (Workings): 3 TUNNELS APPROX. 100 FT. LONG
Comment (Deposit): LOCATED ON EAST BANK OF COLUMBIA CREEK, 1/4 MILE ABOVE COLUMBIA. THREE TUNNELS APPROXIMATELY 100 FEET LONG HAVE BEEN DRIVEN. MADE SEVERAL SHIPMENTS OF ORE IN 1908. LISTED AS ACTIVE MINE & CYANIDIZATION MILL IN 1980 EMPLOYING 3 PERSONS
References
Reference (Deposit): GRANGER, A.E. ET AL (1957) GEOLOGY & M INERAL RESOURCES OF ELKO CO. NEV., NEV BUR OF MINES BULL 54
Reference (Deposit): EMMONS, W.H. (1910) RECONNAISSANCE OF ELKO, LANDER, & EUREKA CO, NEV. USGS BULL 408
Reference (Deposit): STATE INSPECTOR OF MINES (1981) DIRECTORY OF NEVADA MINE OPERATIONS ACTIVE IN 1980.
Reference (Production): GRANGER, A.E., ET AL.,(1957)
Nevada Gold
Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.
