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  3. Mineral Resource Data System (MRDS)

Navajo

Past Producer in Elko county in Nevada, United States with commodities Silver, Gold
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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. 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 10045529
MRDS ID M233296
Record type Site
Current site name Navajo

Geographic coordinates

Geographic coordinates: -116.22926, 41.31407 (WGS84)

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tuscarora(quadrangle 1:24,000 scale)

Tuscarora(quadrangle 1:100,000 scale)

McDermitt(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Owyhee(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 039N;040N 051E;051E 03;034 Nevada

Commodities

Commodity Importance
Silver Primary
Gold Secondary

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Galena Ore
Proustite Ore
Pyrargyrite Ore
Pyrite Ore
Silver Ore
Sphalerite Ore
Stephanite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Early Propylitic, And Inner Potassic Halos

Analytical data

Result AVE PRODUCTION VALUE WAS $107/TON (NOLAN)

Mineral occurrence model information

Model code 150
USGS model code 25c
Deposit model name Epithermal vein, Comstock
Mark3 model number 16

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene

Nearby scientific data

(1) Alluvium, undifferentiated
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Northwest-Striking Faults Conjugate To A Set Of East-Striking Faults

Ore body information

  • General form TABULAR
    Strike NW
    Dip 65SW

Comments on the geologic information

  • THE RICH SILVER DEPOSITS WERE LARGELY THE RESULT OF SUPERGENE ENRICHMENT MINERALOGY TYPICAL OF THIS ZONE INCLUDES NATIVE SILVER, HORN SILVER, ARGENTITE, STEPHANITE, PROUSTITE, PYRARGYRITE, PYRITE, SPHALERITE, CHALCOPYRITE, AND GALENA.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1890
Year of first production 1890

Mining district

District name Tuscarora

Comments on the production information

  • ORE AVERAGED $107/TON, PRIOR TO 1890'S.

Comments on development

  • TYPICAL BONANZA-TYPE EPITHERMAL VEIN DEPOSIT FOR WHICH MOST PRODUCTION OCCURRED PRIOR TO 1890.

Reference information

Bibliographic references

  • Deposit

    SMITH R. M. (1976-56) MINERAL RES. OF ELKO CO. NEV., USGS OPEN-FILE REPORT

  • Deposit

    NOLAN T. B. (1936) TUSCARORA MINING DISTRICT ELKO, CO. NEV., NEV. BUR OF MINES BULL 25

  • Production

    NOLAN, T. B., (1936)

General comments

Subject category Comment text
Deposit VEIN CARRYING NATIVE SILVER, HORN SILVER & SILVER SULPHIDES, MAINLY THE RESULT OF SUPERGENE ENRICHMENT
Deposit TYPICAL BONANZA TYPE EPITHERMAL VEIN DEPOSIT. MOST OF THE PRODUCTION OCCURRED PRIOR TO 1890, AND THE MAXIMUM DEPTH OF THE WORKINGS WAS 650 FT. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Kirkham, Richard A. Nevada Bureau of Mines and Geology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.