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NBMG Sample Location 1746

Occurrence in Lincoln county in Nevada, United States with commodities Gold, Silver, Lead, Manganese, Copper, Zinc, Barium-Barite
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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. 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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10046501
MRDS ID M241670
Record type Site
Current site name NBMG Sample Location 1746
Related records 10173594

Geographic coordinates

Geographic coordinates: -114.77362, 37.4833 (WGS84)
Elevation 1829

Site location context

Political divisions (FIPS codes)

Lincoln(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Delamar(quadrangle 1:24,000 scale)

Clover Mountains(quadrangle 1:100,000 scale)

Caliente(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Dry Lake Valley(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 Lincoln

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005S 064E 25 NW OF SW Nevada

Comments on the location information

  • INFO FROM LAND.ST :1972

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Manganese Critical Secondary
Copper Secondary
Zinc Critical Secondary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Quartz Gangue
Pyrite Unknown

Alteration

  • (Local) Bleaching

Analytical data

Result SAMPLE 1746 CONTAINS GREATER THAN 5000 PPM MN, 300 PPM AG, 500 PPM BA, 200 PPM CU, 10000 PPM PB, 500 PPM SR, 100 PPM V, 2000 PPM ZN.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Pioche
    Rock description Pioche
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Economic information

Ore body information

  • General form TABULAR
    Strike N75E
    Dip STEEPLY SE

Controls for ore emplacement

  • Brecciation?

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Delamar District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • ONE SHAFT WITH COLLAPSED HEAD FRAME. DRILL ROADS EXTEND ALONG NORTHERN FLANK OF KNOLL OCCUPIED BY WORKINGS, INTO SADDLE AREA, AND TO EAST IN AREA OF PROSPECTS. MORE SHAFTS HIGHER ON KNOLL

Comments on development

  • AREA IS STAKED AND THE SITE OF FAIRLY RECENT SURFACE AND SUBSURFACE EXPLORATION, PROBABLY 3-4 YRS. OLD.

Reference information

Bibliographic references

  • Deposit

    BENTZ, J. AND SMITH, P.,1983, FIELD EXAMINATION REPORT, SEPT. 22, 1983.

  • Deposit

    TSCHANZ, C.M. AND PAMPEYAN, E.H., 1970, NBMG BULL. 73.

General comments

Subject category Comment text
Deposit QUARTZ VEIN. JUST NORTH OF SHAFT COLLAR, A VEIN OF VUGGY, PRISMATIC, COMB QUARTZ STRIKES N75E, DIP STEEPLY SE. VEIN IS COMPOSED OF SEVERAL SPLAYED SUBPARALLEL BRANCHING VEINLETS, EACH LESS THAN 4 INCHES WIDE. HOWEVER, TOGETHER WITH THE INTERVENING WALLROCK, THE VEINS COMPRISE A THICKNESS OF ABOUT 2-3 FT. THE VEIN QUARTZ IS VITREOUS, WHITE, AND IN SOME CASES FORMS COCKADE STRUCTURES AROUND BLEACHED ANGULAR FRAGMENTS OF SHALE. SOME SHALE FRAGMENTS SHOW AN EARLY STAGE OF FINE QUARTZ VEINING WHICH PREDATES EMPLACEMENT OF THE MAIN VEIN (S). THE SHALE FRAGMENTS AND ENCLOSING WALLROCKS HAVE RESPONDED TO ALTERATION BY BECOMING MORE MIICACEOUS AND BLEACHING TO A LIGHT TAN OR GREEN COLOR. VERY FINE GRAINED OXIDIZED PYRITE IS PRESENT IN THE COMB QUARTZ VEIN AND QUARTZ-CEMENTED SHALE BRECCIA. MN OXIDES (INCLUDING SOME CRYSTALLINE PYROLUSITE) ARE COMMON AS COATINGS AND COATS IN VEIN MATERIAL. THE VEINS ARE VUGGY AND OPEN-CENTERED. IRON OXIDES ARE LESS ABUNDANT AND ASSOCIATED WITH PYRITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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.