Grand Central Mine

Past Producer in Juab county in Utah, United States with commodities Copper, Gold, Lead, Silver

Geologic information

Identification information

Deposit ID 10275923
MRDS ID DC12535
MAS/MILS ID 0490230065
Record type Site
Current site name Grand Central Mine
Related records 10020087

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -112.11579, 39.93685 (WGS84)
Elevation 2152
Location accuracy 10(meters)
(click for info)

Geographic areas

Country State County
United States Utah Juab

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 010 S 002 W 19 SENWSW Utah

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Anglesite Unknown
Barite Unknown
Calcite Unknown
Cerargyrite Unknown
Cerussite Unknown
Chalcopyrite Unknown
Covellite Unknown
Enargite Unknown
Galena Unknown
Limonite Unknown
Quartz Unknown
Silver Unknown

Nearby scientific data

Main Entrance (1) -112.11579, 39.93685

Ore body information

  • Thickness 6M
    Depth to top 250M
    Width 70M
    Length 850M
    Area 20HA
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N15W
    Minimum Depth to Top 120
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 20
    Date of Last Modification 780213

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No

Mining district

District name Tintic District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Mc Intyre Family Mammoth
    Interest 100
    Home office Utah
    Year 1976

Comments on the reserve resource information

  • REC 101-4, 111-15 RESERVE ESTIMATES BASED ON COMMUNICATION WITH MINERS IN AREA.

Workings at the site

  • Type of workings Underground
    Length 6000M
    Overall depth 750M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN STOPE
    Swell Factor .65
    Hardness of Rock SOFT NONPLASTIC WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Number of Shafts 1
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1976

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0490230065
USGS Mineral Resources Data System MRDS DC12535 MAS references MRDS

Bibliographic references

  • Deposit

    LINDGREN W + LOUGHLIN G F, 1919, GEOOLOG AND ORE DEPOSIT

  • Deposit

    THE TINTIC MINING DISTRICT. USGS PROF PAPER 107, P 133,

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Utah Geological And Mineral Survey U.S. Bureau of Mines