Ontario Mine

Producer in Summit county in Utah, United States with commodities 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. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10300784
MRDS ID D012036
MAS/MILS ID 0490430043
Record type Site
Current site name Ontario Mine
Related records 10087989

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -111.49798, 40.62414 (WGS84)
Elevation 2400
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Summit(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Heber City(quadrangle 1:24,000 scale)

Salt Lake City(quadrangle 1:100,000 scale)

Salt Lake City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Weber(hydrologic unit)

Weber(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Summit

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 002 S 004 E 21 SWSWSE Utah

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Anglesite Unknown
Azurite Unknown
Bornite Unknown
Cerargyrite Unknown
Cerussite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Chrysocolla Unknown
Galena Unknown
Malachite Unknown
Pyrite Unknown
Pyrolusite Unknown
Rhodochrosite Unknown
Sphalerite Unknown
Tetrahedrite Unknown

Nearby scientific data

Main Entrance (1) -111.49798, 40.62414

Economic information

Ore body information

  • Thickness 100M
    Length 1200M
    Width 760M
    Area 40HA
    Depth to top 458M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 FISSURE VEIN
    Shape of Orebody #3 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 PYRITIZATION
    Type of Wallrock Alter. #3 CARBONATE SILIC
    Minimum Depth to Top 183
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 1
    Total Surface Area (HA) 40
    Date of Last Modification 800929

Comments on the geologic information

  • FISSURE DEPOSITS: STRIKE,NORTH-EAST. DIP, 45 TO 60 DEGREES. BEDDED DEPOSITS: STRIKE, NORTH-WEST; DIP 18 TO 35 DEGREES.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Deposit size Large
Significant Yes
Discovery year 1872
Mining method Combined Methods
Year of first production 1873
Milling method Flotation

Comments on exploration

  • IN 1985 THE PROPERTY EVALUATION WAS UPDATED. IT WAS DECIDED THAT AN ECONOMIC EVALUATION WAS NOT NECESSARY REASONS WERE GIVEN IN THE REPORT

Mining district

District name Park City District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner United Park City Mines Co.
    Interest 100
    Home office P. O. Box 1450 Park City, Ut
    Year 1995

Production statistics

  • Year 1981
    Description Ore Mined 33154 Metric Tons

Comments on the reserve resource information

  • IN 1985 THE PROPERTY EVALUATION WAS UPDATED. IT WAS DECIDED THAT AN ECONOMIC EVALUATION WAS NOT NECESSARY REASONS WERE GIVEN IN THE REPORT ONTARIO MINE IS MAINTAINED ON A STAND-BY BASIS

Workings at the site

  • Type of workings Underground
    Length 48280M
    Overall depth 450M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OTHER COMBINED METHODS
    Swell Factor .65
    Percent Recovery 85
    Hardness of Rock SOFT NONPLASTIC FISSURED EXCESSIVE WATER
    Rock Characteristics NONCOHERENT
    Rock Support Chars. UNSUPPORTING MAY SLOUGH
    Mine Support Chars. STEEL W/LAGGING CONCRETE REINFOR
    Number of Shafts 4
    Avg. Length of Adits (m) 760
    Number of Adits 2
    1st Condition of Workings FLOODED
    2nd Condition of Workings PART ACCESSIBLE
    3rd Condition of Workings UNKNOWN
    Capacity 680.4
    Capacity Units MT ORE/DAY
    Unit Production Cost 20.78
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 3
    Year of Information 1980

Reference information

Bibliographic references

  • Deposit

    ORE DEPOSITS OF THE UNITED STATES 1933-1967 VOL. 2 "ORE DEPO

  • Deposit

    THE PARK CITY DISTRICT WITH A CONTRIBUTION ON THE MAYFLOWER

  • Deposit

    BY M.P. BARNES & J.G. SIMOS PP. 1103-1126, AIME, GRANTON SAL

  • Deposit

    2,DATED 1968 ,

  • Deposit

    ENGINEERING & MINING JOUR. FEB. 1976 "ONTARIO PROJECT KEEPS

  • Deposit

    ALIVE IN UTAH'S HISTORIC PARK CITY DISTRICT" BY LANE&WHITE

  • Deposit

    "BRECCIA STRUCTURES IN THE ONTARIO MINE PARK CITY DISTRICT,

  • Deposit

    W.J. GARMOE IN ORE DEPOSITS OF THE U.S. 1933-1967 PT.8 CHAP.

  • Deposit

    1127 DATED 1968.

  • Deposit

    "GEOLOGIC ASPECTS OF RECENT EXPLORATION IN THE PARK CITY SIL

  • Deposit

    ENGINEERING AND MINING JOURNAL. THIS MONTH IN MINING;

  • Deposit

    UTAH. OCT.,1979, PP. 166-167.

  • Deposit

    ERICKSON,JR, A.J. DISCOVERY AND DEVELOPMENT OF THE NORTH

  • Deposit

    ORE ZONE ONTARIO MINE PARK CITY DISTRICT, UTAH PREPRINT

  • Deposit

    NUMBER 70-I-33, SOCIETY OF MINING ENGINEERS OF AIME.

  • Deposit

    1970, 12 PP.

  • Deposit

    HALL, C.J. AND PATRICIO, J. VENTILATION STUDIES AND SCAPE

  • Deposit

    PLANS FOR UNDERGROUND HARDROCK MINES. UNIVERSITY OF

  • Deposit

    IDAHO BUREAU OF MINING RESEARCH, MOSCOW, IDAHO. U.S.

  • Deposit

    BUREAU OF MINES CONTRACT NO. SO 230037, 1973, PP. 138-140

  • Deposit

    INTERMOUNTAIN PAY DIRT, NORANDA EXPECTS LHD'S TO MAKE MINE

  • Deposit

    PROFITABLE (ONTARIO MINE). OCT.,1979, P.34.

  • Deposit

    MINING CONGRESS JOURNAL. MINING NEWSMONTH: RESUMPTION OF

  • Deposit

    PRODUCTION FROM THE ONTARIO NO.3 MINE. OCT. 1979, P. 10.

  • Deposit

    ECONOMIC GEOLOGY SECTION. UGMS OPEN -FILE REPORT 22. U.S.

  • Deposit

    PERRY,L.I. AND B. M. MC CARTHY. LEAD AND ZINC IN UTAH,

  • Deposit

    1976, (ONTARIO MINE). UTAH GEOLOGICAL AND MINERAL SURVEY,

  • Deposit

    ECONOMIC GEOLOGY SECTION. UGMS OPEN-FILE REPORT 22. U.S.

  • Deposit

    BUREAU OF MINES GRANT NO. GO 264-006. 1976, PP. 358-361.

  • Deposit

    UNITED PARK CITY MINES C0,S 1978 STATEMENT. ANNUAL REPORT

  • Deposit

    THE MINING RECORD. CANADIANS INVESTING IN UTAH'S NATURAL

  • Deposit

    RESOURCES. DEC. 19, 1979, P. 8.

  • Deposit

    UNITED PARK CITY MINES CO'S 1978 STATEMENT. ANNUAL REPORT,

  • Deposit

    DEC. 1978, P. 11.

  • Deposit

    UNITED PARK CITY MINES CO'S PROXY STATEMENT, JULY 1970 P.4

  • Deposit

    UNITED PARK CITY MINES CO'S 10-K FORM REPORT, DEC. 1978,

  • Deposit

    P. 12.

  • Deposit

    UNITED PARK CITY MINES CO'S PROXY STATEMENT, JULY 1970 P.4.

  • Deposit

    U.S. BUREAU OF MINES' PRODUCTION STATISTIC, STATE OF

  • Deposit

    UTAH. LODE MINE PRODUCTION AND METALS RECOVERABLE, 1976.

  • Deposit

    AMERICAN MINING CONGRESS. MINING 81 CONVENTION. ONTARIO MINE

  • Deposit

    DEVELOPMENT AND OPERATION RICHARD FLORINI. DENVER SEPT 1981

  • Deposit

    UNITED PARK CITY MINES COMPANY. 1984 ANNUAL REPORT TO STOCK

  • Deposit

    HOLDERS

Reporter information

Type Date Name Affiliation Comment
Reporter 25-SEP-96 Geroyan, Rena U.S. Bureau of Mines

Beyond USGS

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

External references