Little Jim Ore Body

Past Producer in Iron county in Utah, United States with commodity Iron
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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10090116
MRDS ID D005363
Record type Site
Current site name Little Jim Ore Body
Related records 10252397

Geographic coordinates

Geographic coordinates: -113.27108, 37.70858 (WGS84)
Elevation 1740
Relative position 1,000 FEET NNE OF DESERT MOUND

Site location context

Political divisions (FIPS codes)

Iron(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Desert Mound(quadrangle 1:24,000 scale)

Cedar City(quadrangle 1:100,000 scale)

Cedar City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Escalante Desert(hydrologic unit)

Escalante Desert-Sevier Lake(hydrologic accounting unit)

Escalante Desert-Sevier Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 035S 013W 35 Utah

Comments on the location information

  • SECTION SUBDIVISIONS: NE 1/4, SE 1/4, SE 1/4

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • RIBS OR INCLUSIONS OF MONZONITE OR HIGHLY SILICEOUS BANDS ARE FOUND WITH THE ORE.

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Quartz Monzonite Porphyry
    Rock description Quartz Monzonite Porphyry
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Nearby scientific data

(1) -113.27108, 37.70858

Economic information

Geologic structures

Type of structure Regional
Structure description Sevier Thrust System
Type of structure Local
Structure description Granite Mtn. Intrusion

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Brecciation, Faulting, Fracturing

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1945
Discoverer U.S. Bureau Of Mines

Mining district

District name Iron Springs

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Milner Corp.

Comments on the production information

  • STEGEN, R.J., UGMS ON SITE INVESTIGATION, 1979.

Comments on the workings information

  • NO WORKINGS, POTENTIAL SITE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE ORE POTENTIAL IS SMALL AND CONTAINS LOW-GRADE ORE. THE DEPOSIT IS A MINERALIZED BRECCIA ZONE IN THE QUARTZ MONZONITE AND ALSO PARTIAL REPLACEMENT OF SEDIMENTARY INCLUSIONS IN THE PORPHYRY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 Stegan, Ralph J. Bureau of Land Management

Beyond USGS

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