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

Little Erma Mine

Past Producer in Emery county in Utah, United States with commodities Copper, Cobalt
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. 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. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10072994
MRDS ID W018755
Record type Site
Current site name Little Erma Mine

Geographic coordinates

Geographic coordinates: -110.75824, 38.62609 (WGS84)
Elevation 1664
Relative position 6.2 MILES SW OF TEMPLE MTN. IN WEST TRIBUTARY OF CHUTE CANYON

Site location context

Political divisions (FIPS codes)

Emery(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Horse Valley(quadrangle 1:24,000 scale)

San Rafael Desert(quadrangle 1:100,000 scale)

Salina(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Muddy(hydrologic unit)

Upper Colorado-Dirty Devil(hydrologic accounting unit)

Upper Colorado-Dirty Devil(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management UT)

Bureau of Land Management UT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Utah Emery

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 025S 010E 24 Utah

Comments on the location information

  • SECTION SUBDIVISION: NE1/4, NE1/4, NW 1/4, SEC 24

Commodities

Commodity Importance
Copper Tertiary
Cobalt Critical Tertiary

Comments on the commodity information

  • RADIOACTIVE PETRIFIED AND COALY WOOD, DESSIMINATED CARBON TRASH AND URANINITE

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Uraninite Ore
Jarosite Gangue

Alteration

  • (Local) Slight Bleaching

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Chinle Formation-Moss Back Member
    Rock description Chinle Formation-Moss Back Member
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) Glen Canyon Group
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Se Flank Of San Rafael Swell

Ore body information

  • General form LENTICULAR, SCATTERED PODS
    Strike N 23 DEG E
    Dip 7 DEG SE
    Thickness 1.52M
    Length 167.64M
    Width 30.48M
    Depth to top 13.72M
    Depth to bottom 15.24M

Controls for ore emplacement

  • Organic Material, Logs, Clay Partings

Comments on the geologic information

  • SANDSTONE LENSES ARE THICK TO MASSIVE, LENTICULAR AND CLIFF FORMING

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1955

Mining district

District name San Rafael District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Donald Hanni, Green River

Comments on the reserve resource information

  • MINERALIZATION AND LOGS EXPOSED IN WORKINGS

Workings at the site

  • Type of workings Underground
    Length 297.18M
    Overall depth 13.72M

Comments on the workings information

  • 7 ADITS ARE PRESENT. TWO INTERCONNECT ADITS WITH 850 FEET OF WORKINGS; THE REMAINDER AVERAGING 50 FT.

Comments on development

  • SCATTERED DRILL HOLES IN AREA

Reference information

Bibliographic references

  • Deposit

    HAWLEY, C. C., AND OTHERS, 1968, GEOLOGY, ALTERED ROCKS OF THE SAN RAFAEL SWELL, EMERY COUNTY, UTAH, USGS BULL. 1239

  • Reserve-Resource

    DOELLING, H. H. 1977

General comments

Subject category Comment text
Deposit MINERALIZATION OCCURS AT BASE OF CHANNEL SANDSTONES INTERMITTENTLY ALONG OUTCROP LENGTH.
Deposit Discovery Year: 1950'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1977 Doelling, Hellmut H. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site