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NBMG Sample Site 3846

Occurrence in Churchill county in Nevada, United States with commodities Silver, Gold, Copper, Lead, Molybdenum, 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. 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. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10047646
MRDS ID M243060
Record type Site
Current site name NBMG Sample Site 3846

Geographic coordinates

Geographic coordinates: -118.17485, 39.2388 (WGS84)
Elevation 1743

Site location context

Political divisions (FIPS codes)

Churchill(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bell Canyon(quadrangle 1:24,000 scale)

Fallon(quadrangle 1:100,000 scale)

Reno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Dixie Valley(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

DOD(Federal land areas administered by DOD)

Geographic areas

Country State County
United States Nevada Churchill

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 034E 20 Nevada

Comments on the location information

  • INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Secondary
Lead Secondary
Molybdenum Tertiary
Manganese Critical Tertiary

Materials information

Materials Type of material
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Strongly Altered Granite

Analytical data

Result SAMPLE 3846 CONTAINS 3% FE, 0.5% MG, 3% CA, 0.05% TI, 2000 PPM MN, 200 PPM AG, 0.6 PPM AU (BY AA ANALYSIS), 20 PPM B, 200 PPM BA, 1 PPM BE, 100 PPM CD, 5 PPM CO, 20000 PPM CU, 150 PPM MO, +20000 PPM PB, 200 PPM SR, 30 PPM V, 10000 PPM ZN, 15 PPM ZR.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • Strike N 70 W
    Dip 55 SE
    Width 1.83M

Controls for ore emplacement

  • Shear Zone Trening N 70 W, 55 Se; Contact Of Andesite/Granite

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Fairview District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • SHAFT AND TRENCHING; SHAFT-INCLINE SUNK ON DIP SLOPE OF N 70 W, 55 SE VEIN.

Comments on development

  • OLD WORKINGS; NO RECENT ACTIVITY

Reference information

Bibliographic references

  • Deposit

    QUADE, JACK AND TINGLEY, J.V., 12 SEP 86, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.

  • Deposit

    NBMG BULL 83, 1974, P. 71-74

General comments

Subject category Comment text
Deposit VEIN/SHEAR ZONE NEAR CONTACT BETWEEN HIGHLY ALTERED GRANITE AND ANDESITE. ORE FROM DUMPS CONSISTS OF MN-RICH CALCITE WITH STRINGERS OF QUARTZ AND OTHER HIGHLY OXIDIZED MATERIAL WITHOUT VISIBLE MINERALS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1986 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.