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  3. Mineral Resource Data System (MRDS)

Tactite Thursday

Occurrence in Carson City county in Nevada, United States with commodity Tungsten
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10043777
MRDS ID M231058
Record type Site
Current site name Tactite Thursday
Alternate or previous names War Bond, Old Discovery, Knight Claims, Flag

Geographic coordinates

Geographic coordinates: -119.63155, 39.09268 (WGS84)

Site location context

Political divisions (FIPS codes)

Carson City(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McTarnahan Hill(quadrangle 1:24,000 scale)

Carson City(quadrangle 1:100,000 scale)

Reno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Carson(hydrologic unit)

Carson(hydrologic accounting unit)

Central Lahontan(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 Carson City

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 021E 09 Nevada

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore
Calcite Gangue
Epidote Gangue
Garnet Gangue
Quartz Gangue

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 > Granite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock

Nearby scientific data

(1) -119.63155, 39.09268
ListMap

Economic information

Ore body information

  • Strike N-S
    Dip 50-70 DEG E

Controls for ore emplacement

  • Intrusive Contact

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Delaware

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • ROCKS IN MINE AREA CONSIST OF BUFF-COLORED SHALE AND INTERBEDDED BLUE-GREY LIMESTONE WHICH HAVE BEEN INTRUDED BY GRANITE. THESE FORMATIONS ARE CUT BY NARROW DIKES ANDESITE AND OCCASSIONAL EAST-WEST TRENDING DIKES OF PEGMATITE AND APLITE. LIMESTONE OCCURS IN 4 PARALLEL RIBS BETWEEN TONGUES OF GRANITE IN AN AREA 1500'X2000'. SEDIMENTS STRIKE N-S, DIP 50 DEG-70 DEG E. SCHEELITE OCCURS DISSEMINATED IN EPIDOTE-GARNITE-QUARTZ TACTITE AREAS 30' TO 100' WIDE FORMED ADJACENT TO CONTACT. TWO MAIN MINERALIZED AREAS, AN EAST OF WEST ZONE, HAVE BEEN EXPOSED. WEST ZONE, 200'X1000', CONTAINS SCHEELITE IN NARROW WIDTHS, UP TO 0.3% WO3. THE EAST ZONE, 500' EAST OF WEST ZONE, IS MINERALIZED OVER AREA 50'-100' WIDE, 500' LONG. WITHIN THIS, SCHEELITE OCCURS IN SMALL SHOOTS, WITH VALUES RANGING FROM 0.25 TO 0.45% WO3 OVER WIDTHS OF 4' TO 8'. A 250-TON TEST LOT OF ORE, AVERAGING 0.3% WO3, WAS MINED FROM THE OLD DISCOVERY (EAST) PIT.

Reference information

Bibliographic references

  • Deposit

    OVERTON, TD, MIN RESOURCES, DOUGLAS, ORMSBY, WASHOE CO, NBMG BULL 46, 1947

  • Deposit

    JOHNSON, AC, BENSON, WT, TUNGSTEN RESOURCES OF NEVADA, USBM UNPUBLISHED REPORT, 1963, FROM NBMG FILES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Tingley, J.V. Nevada Bureau of Mines and Geology

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.