Tom Cat

Past Producer in Lander county in Nevada, United States with commodity Gemstone
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. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10044875
MRDS ID M232494
Record type Site
Current site name Tom Cat

Geographic coordinates

Geographic coordinates: -116.73565, 40.32047 (WGS84)

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tenabo(quadrangle 1:24,000 scale)

Crescent Valley(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 047E 07 Nevada

Commodities

Commodity Importance
Gemstone Primary

Materials information

Materials Type of material
Turquoise Ore

Alteration

  • (Local) Country Rocks Argillized About Ore Zones

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Valmy Formation
    Rock description Valmy Formation

Nearby scientific data

(1) -116.73565, 40.32047

Economic information

Geologic structures

Type of structure Regional
Structure description Deposit In Upper Plate Of Roberts Mtn Thrust
Type of structure Local
Structure description Imbricate Thrusts (Lander Thrust) & High Angle Faults

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Hydrothermal Channelways:Faults,Fractures,Bedding,Contacts

Comments on the geologic information

  • HOST ROCK FOR THE DEPOSIT IS A GRANDULAR, THINLY BEDDED BLACK QUARTZITE THAT STRIKES N5W, AND DIPS 30SW. TURQUOISE OCCURS IN A KAOLINIZED LAYER THAT MARKS A BEDDING PLANE FAULT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1942
Discoverer Charles Poe

Mining district

District name Bullion

Land status

Ownership category BLM Administrative Area

Comments on the production information

  • $15,000 WORTH

Comments on the workings information

  • STOPES, ADITS (CAVED), BULLDOZER CUTS

Reference information

Bibliographic references

  • Deposit

    STAGER H.K. (1977) GEOLOGY & MINERAL RESOURCES OF LANDER OC. NEV., N.B.M. BULL 88

  • Deposit

    USBM (WINNEMUCCA) MILS NO. 73, REFERENCE NO. 3201500370

  • Deposit

    MORRISSEY F.R. (1968E TURQUOISE DEPOSITS OF NEVADA, NEV. BUR. OF MINES REPORT 17

  • Deposit

    WRUCEK C.T. (1974) GEOLOGIC MAP OF THE TENABO AREA, LANDER CO NEV., USGS MAP MF-647

  • Production

    MORRISSEY, F.R., 1968

General comments

Subject category Comment text
Deposit THE DEPOSIT WAS DISCOVERED IN 1942 BY CHARLES POE. PRODUCTION IS ESTIMATED AT ABOUT $15,000. OLDER STOPES AND ADITS ON THE PROPERTY HAVE CAVED, AND MORE RECENT WORK CONSISTS OF SEVERAL BULLDOZER CUTS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 Kirkham, Richard A. Nevada Bureau of Mines and Geology

Beyond USGS

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

External references

Authoritative Nevada resources

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