1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Last Chance Prospects

Occurrence in Salt Lake county in Utah, United States with commodities Silver, Lead, Copper, Zinc, Gold
Map
XML
JSON
KML
B
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. 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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10095609
MRDS ID M058351
Record type Site
Current site name Last Chance Prospects
Alternate or previous names Last Chance Claims, August Johnson Group

Geographic coordinates

Geographic coordinates: -111.65579, 40.57911 (WGS84)
Elevation 2509
Relative position 6,300 FT N 49 W OF MOUNT BALDY

Site location context

Political divisions (FIPS codes)

Salt Lake(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dromedary Peak(quadrangle 1:24,000 scale)

Salt Lake City(quadrangle 1:100,000 scale)

Salt Lake City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jordan(hydrologic unit)

Jordan(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Uinta-Wasatch-Cache National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Utah Salt Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 003S 003E 07 NE OF NW Utah

Comments on the location information

  • LOCATION IS TO LOWEST ADIT OF GROUP ; INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Secondary
Zinc Critical Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Malachite Ore

Analytical data

Result GRAB SAMPLE FROM DUMP: AG-153 PPM, AU-.23 PPM, CU-150 PPM, MO-LESS THAN 1 PPM, PB-15350 PPM, ZN - 690 PPM.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Big Cottonwood;Mineral Fork Tillite
    Rock description Big Cottonwood;Mineral Fork Tillite
  • Host or associated Host
    Rock type Unconsolidated Deposit > Till

Nearby scientific data

(1) -111.65579, 40.57911
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Wasatch Fault, Uinta Arch

Ore body information

  • General form UNKNOWN

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Little Cottonwood District

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 117.35M

Comments on the workings information

  • NORTH ADIT - WATER FLOODED BUT ACCESSIBLE, AT LEAST 150 FEET LONG, EXPLORES QUARTZ VEIN ALONG FAULT IN QUARTZITE, TRENDS N 43 W; CENTRAL ADIT - 135 FEET LONG IN IRON STAINED, SHEARED QUARTZITE, NO SIGNIFICANT MINERALIZATION NOTED, ADIT TRENDS N 10 W; SOUTH ADIT - COLLAPSED BUT ABOUT 100 FEET LONG IN TILLITE WITH SOME PORPHYRITIC DIKE MATERIAL, NO SIGNIFICANT MINERALIZATION NOTED.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MINERALIZATION ASSOCIATED WITH PORPHYRY DIKES, SHEAR, ZONES AND QUARTZ VEINS IN QUARTZITE AND TILLITE
Deposit THE LAST CHANCE CLAIM DISCUSSED ON P. 109 OF CALKINS AND BUTLER, 1943 DOES NOT BELONG TO THIS GROUP. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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.

Maps centered on this site