Ophir Hill Consolidated Mine

Past Producer in Tooele county in Utah, United States with commodities Copper, 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. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10276391
MRDS ID DC12205
MAS/MILS ID 0490450083
Record type Site
Current site name Ophir Hill Consolidated Mine
Alternate or previous names Montana Mine, Ophir Coalition
Related records 10088431

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -112.2633, 40.38074 (WGS84)
Elevation 1986
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stockton(quadrangle 1:24,000 scale)

Rush Valley(quadrangle 1:100,000 scale)

Tooele(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rush-Tooele Valleys(hydrologic unit)

Great Salt Lake(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 005 S 004 W 23 SESENW Utah

Commodities

Commodity Importance
Copper Tertiary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Calcite Unknown
Chalcopyrite Unknown
Diopside Unknown
Dolomite Unknown
Epidote Unknown
Fluorite Unknown
Galena Unknown
Garnet Unknown
Pyrite Unknown
Pyrrhotite Unknown
Scheelite Unknown
Sphalerite Unknown
Tremolite Unknown

Nearby scientific data

Main Entrance (1) -112.2633, 40.38074

Economic information

Ore body information

  • Strike N70W
    Dip 20N
    Thickness 45M
    Length 360M
    Width 750M
    Area 48HA
    Depth to top 240M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 PIPELIKE
    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 PROPYLITIC
    Type of Wallrock Alter. #2 PYRITIZATION
    Strike And Dip N70W:20N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 48
    Date of Last Modification 810729

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1864

Mining district

District name Ophir District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner U. V. Industries
    Interest 100
    Home office UtahUniversity Club Bldg, Salt Lake City, Utah
    Year 1976

Reserves and resources

  • Type In-situ
    Estimate year 0
    Measured 22675mt ore
    Demonstrated 22675mt ore
    Total resources 22675mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 0.07 wt-pct Lead Trace 0
    Copper Cu 0.01 wt-pct Copper Trace 0
    Silver Ag 1.7149 g/mt Silver Trace 0
    Zinc Zn 0.07 wt-pct Zinc Trace 0

Comments on the reserve resource information

  • NO COMMERCIAL FLUORSPAR IS AVAILABLE FROM THE OPHIR MINE,ITS PRESENCE MUST BE REGARDED AS A MINOR OCCURRENCE OF FLUORITE.

Workings at the site

  • Type of workings Underground
    Length 7500M
    Overall depth 150M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    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
    Number of Shafts 1
    Length of Inclines (m) 250
    Slope of Inclines 30
    Number of Inclines 3
    Avg. Length of Adits (m) 350
    Number of Adits 4
    1st Condition of Workings OPEN
    2nd Condition of Workings FLOODED
    Capacity 100
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1976

Reference information

Bibliographic references

  • Reserve-Resource

    USMS OPEN-FILE RPT.22,LEAD & ZINC IN UTAH, 1976, 451-453.

  • Reserve-Resource

    FLUORITE OCCURRENCES IN UTAH, BULLOCK, K.C., 1976, P. 202.

  • Deposit

    THE STOCKTON DISTRICT BYUSGS 1932 PROF PAPER 173

  • Deposit

    R.I. 4072 OPHIR HILL CONSOLIDATEDLEAD-ZINC MINE BY BUREAU OF

  • Deposit

    PERSONAL COMMUNICATIONS WITH MR. DON WILLEY OF U.V. INDUSTRI

  • Deposit

    PUBLICATION LEAD-ZINC RESOURCES BY ALLAN H. JAMES 1973 FOR

General comments

Subject category Comment text
Deposit ORE RESERVES BASED ON PUB. LEAD-ZINC RESOURCES ALLAN JAMES ( WORKINGS ARE FLOODED BELOW 1200 FOOT LEVEL REC 120- MINE LIFE = 2 YRS MINE CAPITAL AND OPERATING COST (COST DATA BASED ON 1976) ACQUISITION $ EXPLORATION 146,000 DEVELOPMENT (SURF + UNDERGRD) 219,300 EQUIPMENT 320,400 WORKING CAPITAL 248,200 TOTAL CAPITAL $933,900 OPERATING COST- #/METRIC TON $9.53 REFER TO BACK-UP FILE FOR COST DATA REC 160- MINED ORE WOULD NEED TO BE SHIPPED TO CUSTOM MILL. THEN CONCENTRATE SHIPPED TO BUNKER HILL SMELTER IN IDAHO.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-APR-87 Utah Geological And Mineral Survey U.S. Bureau of Mines

Beyond USGS

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