Blue Jay and Roberts Groups

Occurrence in Davis county in Utah, United States with commodities Copper, Iron, Barium-Barite
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  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 10088715
MRDS ID M058258
Record type Site
Current site name Blue Jay and Roberts Groups

Geographic coordinates

Geographic coordinates: -112.20303, 40.9441 (WGS84)
Elevation 1652
Relative position 4,500 FT N 52 E OF CEDAR SPRING

Site location context

Political divisions (FIPS codes)

Davis(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Antelope Island(quadrangle 1:24,000 scale)

Tooele(quadrangle 1:100,000 scale)

Tooele(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Great Salt Lake(hydrologic unit)

Great Salt Lake(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Utah Davis

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 003N 003W 32 SE OF SE OF SE Utah

Comments on the location information

  • INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Copper Primary
Iron Primary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Barite Ore
Chalcopyrite Ore
Hematite Ore
Malachite Ore
Pyrite Ore

Analytical data

Result ADIT ZA UPPER, GRAB SAMPLE FROM DUMP: AG - .5 PPM, AU- .04 PPM, CU - 1.420%, PB-20 PPM, ZN-45PPM: ADIT 2B, GRAB SAMPLE FROM DUMP: AG-LESS THAN .3 PPM, AU-.30 PPM
Result AG-.5 PPM8 AU-LESS THAN .02 PPM, CU-3.99%, PB-30 PPM, ZN-PPM.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Farmington Canyon Complex
    Rock description Farmington Canyon Complex

Nearby scientific data

(1) -112.20303, 40.9441

Economic information

Geologic structures

Type of structure Regional
Structure description Wasatch Fault, Thrust Belt

Ore body information

  • General form TABULAR, IRREGULAR
    Strike S 80 W
    Dip 80 NW

Controls for ore emplacement

  • Quartz Veins Along Shear Zones And Shear Zones With Quartz

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Antelope Island Area

Land status

Ownership category State

Ownership information

  • Type Owner
    Owner Wesley Nelson Jr. And Sr.; Patrick And Noreen Roberts

Workings at the site

  • Type of workings Surface/Underground
    Area 0.002HA
    Length 78.33M
    Overall depth 18.29M
    Overall length 10.97M
    Overall width 1.83M

Comments on the workings information

  • NORTH ADIT A IS 20 FT. LONG WITH A 12 FT. DEEP WATER FILLED WINZE, SOUTH ADIT A IS 20 FT LONG; ADIT B IS 35 FT. LONG; SHAFT C IS 30 FT. AND INTERSECTS 30 FT ADIT DRIVEN FROM BELOW; PIT D IS 5 FT DEEP AND 12 FT. IN DIAMETER WITH A 3 FT. DEEP 6 FT. DIAMETER PIT IMMEDIATELY TO THE NORTH; ADIT E IS APPROXIMATELY 50 FT. LONG AND IS PARTIALLY CAVED; SHAFT F IS OVER 60 FT. DEEP; PIT G IS 2 FT. DEEP AND 6 FT. IN DIAMETER.

Reference information

Bibliographic references

  • Deposit

    DAVIS, F.D., 1983, GEOLOGIC MAP OF THE CENTRAL WASATCH FRONT, UTAH: UGMS MAP 54-A.

  • Deposit

    LARSEN, W.N., 1957, PETROLOGY AND STRUCTURE OF ANTELOPE ISLAND, DAVIS CO., UTAH: UNIVERSITY OF UTAH PH.D. DISSERTATION.

  • Deposit

    NOTORY, R.T., 1958, A GRAVITY AND MAGNETIC STUDY OF ANTELOPE ISLAND,, GREAT SALT LAKE, DAVIS COUNTY, UTAH: UNIVERSITY OF UTAH M.S. THESIS.

  • Deposit

    TRIPP, B.T., 1983, ON SITE INVESTIGATION: UGMS.

General comments

Subject category Comment text
Deposit NORTH ADIT A IS ON 3 FT. QUARTZ VEIN N 88 E 76S, SOUTH ADIT A IS ON 3 FT QUARTZ VEIN N 88 E 75 N; ADIT B IS ON 18 IN. QUARTZ VEIN N 64 E 80 SE; SHAFT C IS ON SHEAR ZONE N 9 W 87 SW; ADIT E FOLLOWS 18 IN. QUARTZ VEIN S 80 W 80 NW; ADIT F IS ON SAME STRUCTURE AS E; PIT G IS PROBABLY ON SAME TREND AS E AND F.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1983 Tripp, Bryce T. Utah Geological and Mineral Survey

Beyond USGS

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