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NBMG Sample Site 1426

Occurrence in Lincoln county in Nevada, United States with commodities Gold, Barium-Barite, Silver, Lead
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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. 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. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10095739
MRDS ID M241529
Record type Site
Current site name NBMG Sample Site 1426
Related records 10295658

Geographic coordinates

Geographic coordinates: -114.45528, 37.91746 (WGS84)
Elevation 2051

Site location context

Political divisions (FIPS codes)

Lincoln(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pioche(quadrangle 1:24,000 scale)

Caliente(quadrangle 1:100,000 scale)

Caliente(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Meadow Valley Wash(hydrologic unit)

Lower Colorado-Lake Mead(hydrologic accounting unit)

Lower Colorado-Lake Mead(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Nevada Lincoln

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 067E 27 Nevada

Commodities

Commodity Importance
Gold Primary
Barium-Barite Critical Primary
Silver Primary
Lead Secondary

Materials information

Materials Type of material
Barite Ore
Galena Ore
Calcite Gangue
Limonite Gangue
Pyrite Gangue

Alteration

  • (Local) Bleaching, Silicification

Analytical data

Result SAMPLE 1426 CONTAINS 720% CA, 1000 PPM MN, 5 PPM AG, 20 PPM BA, 1000 PPM PB, 500 PPM SR

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -114.45528, 37.91746
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • Strike N20W
    Dip 90
    Thickness 0.15M

Controls for ore emplacement

  • Fault Contact Between Pioche Shale And Davidson Fm; N20w Vertical Shear Zone.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Pioche District

Comments on the workings information

  • SHALLOW EXPLORATORY PROSPECT PITS

Comments on development

  • NO ACTIVITY AT TIME OF EXAMINATION IN 1983

Reference information

Bibliographic references

  • Deposit

    OBSERVATION

General comments

Subject category Comment text
Deposit WORKINGS EXPLORE FAULT(?) CONTACT BETWEEN PIOCHE SHALE AND DAVIDSON FORMATION. WORKINGS ARE IN SHATTERED, ALTERED, BLEACHED MEDIUM GREY LIMESTONE WITH CRYSTALLINE CALCITE COATING FRACTURES AND CEMENTING BRECCIA. ABUNDANT LIMONITE STAINS FROM OXIDIZED PYRITE GRAINS IN VEINS. PIT EXPOSES A N20W VERTICAL 6 INCH- WIDE SHEAR ZONE WHERE ROCKS ARE EXTENSIVELY CRUSHED AND DUMP ROCK SHOWS SLICKENSIDES. THE LIMESTONE IS PARTIALLY SILICIFIED IN VICINITY OF SHEAR AND THE WEIGHT OF THE ROCKS SUGGESTS THAT BARITE OR FINELY DISSEMINATED GALENA IS INTERGROWN WITH THE CALCITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1984 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.