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  3. Mineral Resource Data System (MRDS)

Gaillac Prospect

Occurrence in Esmeralda county in Nevada, United States with commodity Manganese
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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. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10046810
MRDS ID M242022
Record type Site
Current site name Gaillac Prospect
Alternate or previous names NBMG Sample Site 454

Geographic coordinates

Geographic coordinates: -117.2398, 37.62801 (WGS84)
Elevation 1737

Site location context

Political divisions (FIPS codes)

Esmeralda(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Goldfield(quadrangle 1:24,000 scale)

Goldfield(quadrangle 1:100,000 scale)

Goldfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Cactus-Sarcobatus Flats(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(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 Esmeralda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 042E 02 NW OF NW Nevada

Comments on the location information

  • IN GOLDFIELD HILLS SOUTH OF GOLDFIELD ABOUT 5.5 MILES ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Alteration

  • (Local) Silicification Of Margin Of Mineralized Zone.

Mineral occurrence model information

Model code 156
USGS model code 25g
Deposit model name Epithermal Mn

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff > Welded Tuff
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Early Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Mule Spring Limestone
    Rock description Mule Spring Limestone

Nearby scientific data

(1) -117.2398, 37.62801
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Possible Fold.
Type of structure Local
Structure description Faults

Ore body information

  • General form TABULAR/NODULES
    Strike N35W
    Dip HIGH ANGLE
    Thickness 18.29M
    Length 12.19M
    Width 1.83M

Controls for ore emplacement

  • Nw-Trending Fault Zone.

Comments on the geologic information

  • AN FE-STAINED, BRECCIA, SILICIFIED LIMESTONE OUTCROP 100 M SOUTHEAST IS ALSO SUGGESTIVE OF A NORTHWEST-SOUTHEAST TRENDING FAULT ZONE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cuprite District

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Underground
    Overall depth 18.29M

Comments on the workings information

  • 2 SHAFTS AT LEAST 60 FT DEEP.

Reference information

Bibliographic references

  • Deposit

    ALBERS, J.P. AND STEWART, J.H., 1972, NBMG BULL. 78, P. 58, PL. 2

  • Deposit

    PARDEE AND JONES, 1920, USGS BULL. 710, P. 233

  • Deposit

    GARSIDE, L.J., 1982, FIELD EXAMINATION, NBMG, 11 JUL 82.

  • Deposit

    SCHILLING, J.H., 1962, NBMG MAP 9.

General comments

Subject category Comment text
Deposit MANGANESE MINERALS OCCUR ALONG A NORTHWEST-TRENDING FAULT ZONE BETWEEN MULE SPRING LIMESTONE AND TERTIARY WELDED TUFF. NODULES ARE AS MUCH AS 8 INCHES IN DIAMETER

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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.

External references

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.