Junction Group

Past Producer in Elko county in Nevada, United States with commodity 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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10045962
MRDS ID M233863
Record type Site
Current site name Junction Group

Geographic coordinates

Geographic coordinates: -114.82729, 41.77796 (WGS84)

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)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 063E 22 Nevada

Commodities

Commodity Importance
Copper Primary

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

Nearby scientific data

(1) -114.82729, 41.77796

Economic information

Geologic structures

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

Ore body information

  • General form TABULAR
    Strike SW
    Dip 65SE
    Length 3218.6M
    Width 1.22M

Controls for ore emplacement

  • Granodiorite Contact, Intensive Dike & Veins

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1912
Year of first production 1912

Mining district

District name Contact (48)

Ownership information

  • Type Owner
    Owner Nevada Copper Co.
    First year 1968

Comments on the production information

  • ORE AVERAGED 25% CU

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

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

  • Production

    SCHRADER, F.C. (1912)

General comments

Subject category Comment text
Deposit VEINS INDIRECTLY ASSOCIATED WITH THE INTRUSIVE CONTACT
Deposit DEPOSITS ARE TRANSVERSE, USUALLY DIKE OR VEIN LIKE IN CHARACTER, AND INDIRECTLY ASSOCIATED WITH THE CONTACT ZONE. THE "JUNCTION VEIN" TRENDS SW-NE FOR 2 MILES. IT IS 2-4 FEET WIDE, DIPS ABOUT 65 SE, AND IS ASSOCIATED WITH SILICEOUS SYENITE DIKES. ORE IS CONSIDERED GOOD AND AVERAGES 25% CU (SCHRADER, 1912, P 126). CLAIM IS LOCATED ON SCHRADER'S (1912, 1935) CLAIM MAPS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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.