Copper Shield

Past Producer in Elko county in Nevada, United States with commodities Copper, Molybdenum, Iron, Lead, Silver, Gold
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. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10045972
MRDS ID M233874
Record type Site
Current site name Copper Shield
Alternate or previous names Effie Fay

Geographic coordinates

Geographic coordinates: -114.79033, 41.76769 (WGS84)
Relative position ON SE FLANK OF TABLE TOP MT.

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Contact(quadrangle 1:24,000 scale)

Jackpot(quadrangle 1:100,000 scale)

Wells(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salmon Falls(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(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 Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 064E;063E 19,30;24,25 Nevada

Comments on the location information

  • LOCATED NE OF FLORENCE GROUP

Commodities

Commodity Importance
Copper Primary
Molybdenum Secondary
Iron Secondary
Lead Tertiary
Silver Tertiary
Gold Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Quartz Gangue

Alteration

  • (Local) Some Oxidation

Host and associated rocks

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

Nearby scientific data

(1) -114.79033, 41.76769

Economic information

Geologic structures

Type of structure Local
Structure description Granodiorite Stock With Assoc. Faults, Fractures

Ore body information

  • General form TABULAR
    Dip STEEPLYS
    Width 60.96M

Controls for ore emplacement

  • Faults, Fractures, Intrusive Dikes & Veins

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1912

Mining district

District name Contact (48)

Ownership information

  • Type Owner
    Owner Copper Shield Copper Co.
    First year 1912

Comments on the production information

  • TOTAL PRODUCTION LT$5000 WORTH.

Workings at the site

  • Type of workings Underground
    Length 91.44M

Comments on the workings information

  • TUNNEL

Comments on development

  • PATENTED CLAIMS. IN 1930, J. GERARDET HAD DRIVEN A CROSS CUT TUNNEL 300 FT LONG ON THESE CLAIMS. 11 CLAIMS

Reference information

Bibliographic references

  • Deposit

    SMITH, R.M. (1976) MINERAL RESOURCES OF ELKO CO., NEV: USGS OFR 76-56, P 39-45

  • Deposit

    HOPE, R.A. & COATS, R.R. (1976) PRELIM. GEOLOGIC MAP OF ELKO CO., NEV: USGS OFR 76-779

  • Deposit

    SCHRADER, F.C. (1935) THE CONTACT MINING DISTRICT, NEVADA: USGS BUL. 847-A.

  • Deposit

    SCHRADER, F.C. (1912) A RECONN. OF THE JARBIDGE, CONTACT, AND ELK MT. MINING DISTRICTS, ELKO CO., NEVADA: USGS BUL. 497.

  • Production

    SMITH, R.M., (1976)

General comments

Subject category Comment text
Deposit ALASKITE DIKES
Deposit IN 1930, J. GERARDET HAD DRIVEN A CROSSCUT TUNNEL 300 FEET LONG ON THESE CLAIMS. THERE ARE SEVERAL ALASKITE DIKES ON THE PROPERTY, ONE OF WHICH IS 200 FT. WIDE. THE DIKES ARE MINERALIZED AT SEVERAL PLACES. THIS AREA IS WITHIN THE GRANODIORITE MASS BETWEEN CONTACT AND THE WEST CONTACT AREA (SCHRADER, 1935, P 37) GROUP CONSISTS OF 11 CLAIMS (SCHRADER, 1912, P 133) MINERAL SURVEY NO. 4554 ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1979 Weimer, Becky S. Nevada Bureau of Mines and Geology

Beyond USGS

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

Authoritative Nevada resources

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