NBMG Sample Site 2531

Occurrence in Pershing county in Nevada, United States with commodities Gold, Silver
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. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10047346
MRDS ID M242633
Record type Site
Current site name NBMG Sample Site 2531
Alternate or previous names Unknown Prospect, Im Claim Block?
Related records 10271845

Geographic coordinates

Geographic coordinates: -118.19904, 40.59267 (WGS84)
Elevation 1676

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Star Peak(quadrangle 1:24,000 scale)

Eugene Mountains(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower 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 Pershing

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 032N;032N 033E;034E 36,31 Nevada

Comments on the location information

  • POOR ACCESSIBILITY BY JEEP TRAIL FROM IMLAY CANYON . INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Analytical data

Result SAMPLE 2531 OF CARBONACEOUS PRIDA CARBONATES, SILICIFIED WITH QUARTZ VEIN, PYRITE, IRON OXIDES, CONTAINS 3% FE, 0.5% MG, 2% CA, 0.15% TI, 150 PPM MN, 1000 PPM AS, 0.15 PPM AU (AA ANALYSIS), 50 PPM B, 30 PPM BA, 30 PPM CR, 5 PPM CU, 10 PPM MO, 20 PPM NI, 20 PPM PB, 100 PPM SR, 20 PPM V.

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Prida;Grass Valley
    Rock description Prida;Grass Valley
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -118.19904, 40.59267

Economic information

Geologic structures

Type of structure Local
Structure description Thrust Fault

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Thrust Contact Between Prida And Grass Valley Fms.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Imlay District; Humboldt District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • CAVED ADIT

Comments on development

  • NO ACTIVITY IN 1984

Reference information

Bibliographic references

  • Deposit

    BONHAM, H.F., JR., 28 AUG 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.

  • Deposit

    SILBERLING, N.J. AND WALLACE, R.E. 1967, USGS MAP GQ-666

  • Deposit

    JOHNSON, M.G., 1977, NBMG BULL 89, PG. 2

  • Deposit

    NBMG OFR 85-3, 1985.

General comments

Subject category Comment text
Deposit QUARTZ VEINS ALONG THRUST CONTACT. BRECCIATED QUARTZ VEINS AND PODS AND SILICIFICATION ALONG THRUST CONTACT BETWEEN PRIDA AND GRASS VALLEY FM. SIMILAR TO SAMPLE 2529 CARBONACEOUS LIMESTONE WITH DISSEMINATED PYRITE ON DUMP, BRECCIATED VEIN QUARTZ WITH PYRITE AND JASPEROID.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1985 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey

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.