Thelma Mine

Past Producer in Nye county in Nevada, United States with commodities Silver, Fluorine-Fluorite, Molybdenum
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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10044301
MRDS ID M231698
Record type Site
Current site name Thelma Mine
Related records 10270874

Geographic coordinates

Geographic coordinates: -117.04675, 38.5366 (WGS84)
Elevation 2347
Relative position 0.4 MILES SW OF SALISBURY PEAK

Site location context

Political divisions (FIPS codes)

Nye(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Manhattan(quadrangle 1:24,000 scale)

Ione Valley(quadrangle 1:100,000 scale)

Tonopah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Big Smoky Valley(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Nye

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008N 044E 21 Nevada

Commodities

Commodity Importance
Silver Primary
Fluorine-Fluorite Critical Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Molybdenite Ore
Calcite Gangue
Orthoclase Gangue

Alteration

  • (Local) Silicification Of The Limestone Outward From The Fissure. Along Bedding

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Zanzibar Limestone
    Rock description Zanzibar Limestone

Nearby scientific data

(1) -117.04675, 38.5366

Economic information

Ore body information

  • Strike N 33 E
    Dip 90

Controls for ore emplacement

  • Along A Fissure (N 33 E, 90)

Comments on the geologic information

  • IRON-STAINED SILICIFIED ZANZIBAR LIMESTONE CUT BY SMALL STRINGERS OF COMBY QUARTZ AND QUARTZ INTERGROWN WITH CALCITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Manhattan District

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner White Caps Ext. Co.
    First year 1924

Comments on the production information

  • SMALL PRODUCTION IN 1908.

Comments on the workings information

  • WORKINGS CONSIST OF SMALL TUNNELS AND SHAFTS.

Reference information

Bibliographic references

  • Deposit

    FERGUSON, H.G., 1924, GEOL. AND ORE DEPOSITS OF THE MANHATTAN DISTRICT: USGS BULL 723, P. 160

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1980 Wong, George (Roberts, Ralph) U.S. Geological Survey
Updater 01-MAY-1982 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.

Authoritative Nevada resources

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