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NBMG Sample Site 2648

Occurrence in Churchill county in Nevada, United States with commodities Silver, Gold, Copper, 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. 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 10043733
MRDS ID M231005
Record type Site
Current site name NBMG Sample Site 2648
Related records 10294476

Geographic coordinates

Geographic coordinates: -118.88765, 39.80323 (WGS84)
Relative position 2/3 MI SW OF CINNABAR HILL

Site location context

Political divisions (FIPS codes)

Churchill(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Desert Peak(quadrangle 1:24,000 scale)

Carson Sink(quadrangle 1:100,000 scale)

Reno(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 Churchill

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 022N 028E 06 Nevada

Comments on the location information

  • PREVIOUS QUAD DESIGNATION = DESERT PEAK (1951) 1:625000

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Tertiary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Chloritization, Kaolinization

Analytical data

Result SAMPLE 2648, A DUMP SAMPLE OF SHATTERED CLEAR VEIN QUARTZ CEMENTED BY GRASSY MIXTURE OF FE OX AND MN0, CONTAINS 7 -% FE, 0.1 % MG, 0.7 % CA, 0.02 % TI, 500 PPM MN, 7 PPM AG, 300- PPM AS, 4.4 PPM AU (AA ANALYSIS), 2000 PPM B, 50 PPM BA, 15 P-PM CO, 700 PPM CU, 30 PPM NI, 150 PPM PB, 5 PPM SC, 100 PPM V,- 30 PPM ZR.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -118.88765, 39.80323
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Joints In Diorite

Ore body information

  • Strike N15W-N20W
    Dip 40SW-55SW

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • PROSPECT IS A SHALLOW INCLINED SHAFT ON A QUARTZ VEIN ABOUT 1 TO 2 FEET THICK IN JOINTED DIORITE. THE VEIN AND THE JOINTS STRIKE N 15 DEG W AND DIP ABOUT 40 DEG SW. THE QUARTZ VEIN CONTAINED 30 PPM SILVER AND 1.76 PPM GOLD

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Desert District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • INCLINED SHAFT, PITS, STOPES- OLD WORKINGS

Comments on development

  • PROBABLY A SE EXTENSION OF FALLON EAGLE VEINS

Reference information

Bibliographic references

  • Deposit

    WILLDEN, RONALD, AND SPEED, R C, 1974, GEOLOGY AND MINERAL DEPOSITS OF CHURCHILL COUNTY: NBMG BULL 83

  • Deposit

    TINGLEY, J. V., 2/26/85, FIELD EXAMINATION AND SAMPLE ANALYSIS.

General comments

Subject category Comment text
Deposit QUARTZ VEINS ALONG SHEAR ZONE IN CHLORITIZED DIORITE, MODERATELY KAOLINIZED NEAR VEINS, SOME FE OX ON FRACTURE SUR-FACES IN DIORITE, WIDE ZONE OF VEINING, INDIVIDUAL VEINS 2-4 F-T THICK, WHITE VITREOUS QUARTZ WITH HEMATITE AND MN OXIDE STAI-N, MINOR GREEN CU OX STAIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 Flynn, Patricia Dodd Nevada Bureau of Mines and Geology
Updater 01-SEP-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.

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.