Emma Mine

Past Producer in Salt Lake county in Utah, United States with commodities Copper, Gold, Lead, Silver, Zinc
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10203061
MRDS ID D002813
MAS/MILS ID 0490350026
Record type Site
Current site name Emma Mine
Related records 10107830, 10301127

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -111.63498, 40.59104 (WGS84)
Elevation 2676
Location accuracy 10(meters)

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 003 S 003 E 05 SWNWNE Utah

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Azurite Unknown
Calamine Unknown
Cerussite Unknown
Chrysocolla Unknown
Galena Unknown
Hematite Unknown
Jacobsite Unknown
Limonite Unknown
Malachite Unknown
Pyrite Unknown
Pyrolusite Unknown
Quartz Unknown
Siderite Unknown
Smithsonite Unknown
Sphalerite Unknown
Stephanite Unknown
Stolzite Unknown
Tetrahedrite Unknown
Wulfenite Unknown

Nearby scientific data

Main Entrance (1) -111.63498, 40.59104

Economic information

Ore body information

  • Strike N45E
    Dip 45N
    Thickness 10M
    Length 40M
    Width 360M
    Area 40HA
    Depth to top 240M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 FISSURE VEIN
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control FAULTING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 BLEACHING
    Type of Wallrock Alter. #2 PYRITIZATION
    Strike And Dip N45E:45N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 40
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1868
Year of first production 1870

Mining district

District name Little Cottonwood District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 2400M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN STOPE
    Swell Factor .65
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Avg. Length of Adits (m) 500
    Number of Adits 3
    1st Condition of Workings CAVED AT PORTAL
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    CALKINS, F.C. AND B.S. BUTLER, 1943, GEOLOGY AND ORE DEPOSIT

  • Deposit

    E COTTONWOOD-AMERICAN FORK AREA, UTAH: USGS PRO. PAPER 201,

  • Deposit

    125, 78-79, 85, 122-123, PLATE 41

  • Deposit

    BUTLER, B.S., 1920, THE ORE DEPOSITS OF UTAH: USGS PRO. PAPE

  • Deposit

    P. 272-275, 263, 255, 469, 259, 261

  • Deposit

    BULLOCK, K.C., 1967, MINERALS OF UTAH: UTAH GMS BULLETIN 76,

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Utah Geological And Mineral Survey Utah Geological and Mineral Survey

Beyond USGS

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