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Willcox Tungsten Prospect

Occurrence in Humboldt county in Nevada, United States with commodities Tungsten, Molybdenum
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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. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10043966
MRDS ID M231277
Record type Site
Current site name Willcox Tungsten Prospect
Alternate or previous names Molly ? Forgotten ? Sundown Group, NBMG Sample Site 500

Geographic coordinates

Geographic coordinates: -117.45513, 40.79934 (WGS84)
Elevation 1658
Relative position 11 MILES SOUTH OF GOLCONDA

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Goldrun Creek(quadrangle 1:24,000 scale)

Winnemucca(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 Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 034N 040E 22 N2 Nevada

Comments on the location information

  • SOUTHERN EDNA MTS.

Commodities

Commodity Importance
Tungsten Critical Primary
Molybdenum Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Scheelite Ore
Diopside Gangue
Epidote Gangue
Garnet Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) Silication

Analytical data

Result SAMPLE 500, A SCHEELITE-BEARING GRAB SAMPLE FROM A DUMP, CONTAINS 20 % FE, 0.7 % MG, 10 % CA, 0.1 % TI, +5000 PPM -MN, 50 PPM AG, 50 PPM B, 50 PPM BA, 2 PPM BE, 100 PPM CO, 20 P-PM CR, 15000 PPM CU, 50 PPM MO, 70 PPM NI, 20 PPM PB, 50 PPM V-, 100 PPM W, 50 PPM Y, 1000 PPM ZN, 50 PPM ZR.

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 > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Edna Mountain Formation
    Rock description Edna Mountain Formation

Nearby scientific data

(1) -117.45513, 40.79934
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Length 1000M
    Width 30M

Controls for ore emplacement

  • Contact Of Granodiorite With Calcareous Sediments.

Comments on the geologic information

  • LIMESTONE ONLY MODERATELY SILICATED

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Gold Run District; Adelaide District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • SEVERAL OPEN CUTS, PROSPECT PITS FOR 1 KM ALONG AN E-W ZONE.

Comments on development

  • CLAIM OWNER HAS DRILLED SEVERAL SHALLOW DIAMONG DRILL HOLES ALONG E-W-TRENDING CONTACT ZONE

Reference information

Bibliographic references

  • Deposit

    TINGLEY, J. V., FIELD EXAMINATION, 1976

  • Deposit

    WILLDEN, RONALD, (1964) GEOL. & MINERAL DEPOSITS OF HUMBOLDT CO., NEV., NBMG BULL. 59

  • Deposit

    GARSIDE, L. J., 1984, NBMG FIELD EXAMINATION 21 JUN 84, AND SAMPLE ANALYSIS.

General comments

Subject category Comment text
Deposit CONTACT ZONE WITH DISSEMINATED SCHEELITE IN MODERATELY SILICATED LIMESTONE. PYRITE, CHALCOPYRITE, MAGNETITE AND REPORTEDLY SCHEELITE OCCUR IN THE SKARN ZONE. SULFIDES AND SCHEELITE APPEAR -TO BE CONCENTRATED IN A 1M ZONE ABOUT 25 M FROM THE GRANODIORI-TE CONTACT. LIMESTONE HAS BEEN CONVERTED TO MARBLE WITH LOCAL -TREMOLITE. THE INTRUSIVE IS EXPOSED TO THE NORTH OF THE PROSPE-CTS.
Deposit SCHEELITE DISSEMINATED IN MODERATELY SILICATED LIMESTONE AT AN INTRUSIVE CONTACT. SILICATED LIMESTONE FORMS THE RIDGE SOUTH OF THE PROSPECT, THE INTRUSIVE OCCUPIES THE BASIN TO THE NORTH. CLAIM OWNER HAS DRILLED SEVERAL SHALLOW DIAMOND DRILL HOLES ALONG EAST-WEST TRENDING CONTACT CONE. THIS DEPOSIT COULD BE THE SAME AS THE MOLLY CLAIMS AND THE FORGOTTEN CLAIM (WILLDEN, 1964, TABLE 25) ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 Tingley, J.V. Nevada Bureau of Mines and Geology
Updater 01-SEP-1985 La Pointe, D.D. (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.