The Knowles Bros. is a tungsten 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.
Knowles Bros. MRDS details
Site Name
Primary: Knowles Bros.
Secondary: Garnet
Secondary: Oxbow
Secondary: Tennessee Mountain
Commodity
Primary: Tungsten
Secondary: Uranium
Secondary: Molybdenum
Tertiary: Copper
Tertiary: Bismuth
Location
State: Nevada
County: Elko
District: Alder
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1977
Time Period: 1970-1977
Material type: W
Description: Cp_Grade: ^Ang 0.5 Percent Wo3
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1949
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
Model Name: W skarn
Orebody
Form: IRREGULAR
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Skarn-Tactite (Silication)
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Not available
Materials
Ore: Pitchblende
Ore: Chalcopyrite
Ore: Bismuthinite
Ore: Powellite
Ore: Scheelite
Ore: Molybdenite
Comments
Comment (Development): SCHEELITE WAS DISCOVERED IN THE TENNESSEE MOUNTAIN AREA IN 1949
Comment (Deposit): INTRUSIVE CONTACT; SCHEELITE DISSEMINATED INTACTITE
Comment (Geology): SCHEELITE IS DISSEMINATED THROUGHOUT THE TACTITE
Comment (Deposit): SCHEELITE WAS DISCOVERED IN THE TENNESSEE MTN. AREA IN 1949.
References
Reference (Deposit): SMITH, R.M.(1976-56) MINERAL RESOURCES OF ELKO CO, NEV, USGS OPEN-FILE REPORT
Reference (Deposit): NBM BULL., STAGER,H.K. (IN PREP. JAN. 1984)
Reference (Production): NBM BULL., STAGER, H.K. (IN PREP JAN 1984)
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.
