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  3. Mineral Resource Data System (MRDS)

Essex Tunnel

Past Producer in White Pine county in Nevada, United States with commodities Gold, Iron
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10037261
MRDS ID M031223
Record type Site
Current site name Essex Tunnel

Geographic coordinates

Geographic coordinates: -115.557, 39.94325 (WGS84)

Site location context

Political divisions (FIPS codes)

White Pine(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Big Bald Mountain(quadrangle 1:24,000 scale)

Newark Lake(quadrangle 1:100,000 scale)

Ely(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Little Smoky-Newark Valleys(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 White Pine

Commodities

Commodity Importance
Gold Primary
Iron Tertiary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore

Alteration

  • (Local) Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -115.557, 39.94325
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Fault

Controls for ore emplacement

  • Along Fault

Comments on the geologic information

  • ORE IN SUBPARALLEL QUARTZ VEINS 4-6 INCHES WIDE. TWO RATHER PERSISTANT QUARTZ STRINGERS ABOUT 18 INCHES APART ARE THE MOST MINERALIZED. THE QUARTZ MONZONITE PORPHYRY HAS SOME DISSEMINATED PYRITE AND GOLD.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Bald Mtn (Joy Or Ruby Mtn)

Land status

Ownership category Private

Comments on the production information

  • QUARTZ MONZONITE PORPHYRY SAID TO ASSAY $19 PER TON IN AU

Workings at the site

  • Type of workings Underground
    Length 44.5M

Reference information

Bibliographic references

  • Deposit

    HILL, JAMES M, 1916 NOTES ON SOME MINING DISTRICTS IN EASTERN NEVADA, US GEO. BULL. 648

  • Production

    HILL, JAMES, 1916

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1979 Giorgi, Albert John (Roberts, Ralph) 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.