Fourth of July Tunnel

Past Producer in Eureka county in Nevada, United States with commodities Silver, Lead, Gold, Copper
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10044795
MRDS ID M232385
Record type Site
Current site name Fourth of July Tunnel

Geographic coordinates

Geographic coordinates: -115.99034, 39.46132 (WGS84)
Elevation 2560

Site location context

Political divisions (FIPS codes)

Eureka(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pinto Summit(quadrangle 1:24,000 scale)

Mount Hamilton(quadrangle 1:100,000 scale)

Ely(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Diamond-Monitor Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Eureka

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 053E 03 Nevada

Comments on the location information

  • UTM PRECISION 500 M

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Primary
Copper Secondary

Materials information

Materials Type of material
Anglesite Ore
Galena Ore
Malachite Ore

Analytical data

Result SEE NOLAN (1962) PAGE 68

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Hamburg Dolomite
    Rock description Hamburg Dolomite
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -115.99034, 39.46132

Economic information

Geologic structures

Type of structure Regional
Structure description Diamond Tunnel Thrust. Orbodies On Upper Plate

Ore body information

  • General form STRATABOUND

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Eureka District

Land status

Ownership category BLM Administrative Area

Comments on the production information

  • SMALL PRODUCTION INCLUDED SOME COPPER.

Comments on development

  • WORKINGS NOW PROBABLY PART OF THE DIAMOND MINE

Reference information

Bibliographic references

  • Deposit

    ROBERTS R.J., ETAL (1967) GEOLOGY & MINERAL RESOURCES OF EUREKA CO. NEV., NEV. BUREAU OF MINES BULL 64

  • Deposit

    USB OF M. (ELY) MILS NO 112, REFERENCE NO 3201100140

  • Deposit

    NOLAN T.B. (1962) THE EUREKA MINING DISTRICT, NEV. USGS P.P. 406

  • Production

    NOLAN, T.B., (1962)

General comments

Subject category Comment text
Deposit ORE OCCURS AS REPLACEMENT OF DOLOMITE ALONG FRACTURED PERMEABLE
Deposit THE WORKINGS ARE LOCATED AT THE SOUTHERN AND OF PROSPECT RIDGE, ONE OF FIVE MINERALIZED BLOCKS IN THE DISTRICT. THEY ARE NOW PROBABLY PART OF THE DIAMOND MINE ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1980 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

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.