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Knowles Bros.

Past Producer in Elko county in Nevada, United States with commodities Tungsten, Molybdenum, Uranium, Copper, Bismuth
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10045139
MRDS ID M232807
Record type Site
Current site name Knowles Bros.
Alternate or previous names Garnet, Oxbow, Tennessee Mountain

Geographic coordinates

Geographic coordinates: -115.67648, 41.7899 (WGS84)
Relative position ONE MILE SOUTHWEST OF TENNESSEE MTN.

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tennessee Mountain(quadrangle 1:24,000 scale)

Jarbidge Mountains(quadrangle 1:100,000 scale)

Wells(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bruneau(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 056E 17 Nevada

Commodities

Commodity Importance
Tungsten Critical Primary
Molybdenum Secondary
Uranium Secondary
Copper Tertiary
Bismuth Critical Tertiary

Materials information

Materials Type of material
Bismuthinite Ore
Chalcopyrite Ore
Molybdenite Ore
Pitchblende Ore
Powellite Ore
Scheelite Ore

Alteration

  • (Local) Skarn-Tactite (Silication)

Mineral occurrence model information

Model code 42
USGS model code 14a
Deposit model name W skarn

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -115.67648, 41.7899
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Limestone-Igneous Contact

Comments on the geologic information

  • SCHEELITE IS DISSEMINATED THROUGHOUT THE TACTITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1949

Mining district

District name Alder

Production statistics

  • Year 1977
    Period 1970-1977
    Material W
    Accuracy Accurate
    Description Cp_Grade: ^Ang 0.5 Percent Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Wo3 Tungsten Tungsten 1wt-pct

Comments on development

  • SCHEELITE WAS DISCOVERED IN THE TENNESSEE MOUNTAIN AREA IN 1949

Reference information

Bibliographic references

  • Deposit

    SMITH, R.M.(1976-56) MINERAL RESOURCES OF ELKO CO, NEV, USGS OPEN-FILE REPORT

  • Deposit

    NBM BULL., STAGER,H.K. (IN PREP. JAN. 1984)

  • Production

    NBM BULL., STAGER, H.K. (IN PREP JAN 1984)

General comments

Subject category Comment text
Deposit INTRUSIVE CONTACT; SCHEELITE DISSEMINATED INTACTITE
Deposit SCHEELITE WAS DISCOVERED IN THE TENNESSEE MTN. AREA IN 1949.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1979 Kirkham, Richard A. Nevada Bureau of Mines and Geology
Updater 01-JAN-1984 Blaskowski, Michael J. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.