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Mineral Hill Mine

Past Producer in Park county in Montana, United States with commodities Gold, Silver
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Reserves and resources
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10245632
MRDS ID W014722
MAS/MILS ID 0300670001
Record type Site
Current site name Mineral Hill Mine
Alternate or previous names Mineral Hill TVX, Jardine Mine, Jardine JV, Crevice Mtn. Mine, Conrad, Ski Slope
Related records 10105724

Comments on the site names

  • AKA JARDINE MINE AND OTHERS SEE MAS SEQ# 0300670050

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -110.62551, 45.07101 (WGS84)
Elevation 2200
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Park(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gardiner(quadrangle 1:24,000 scale)

Gardiner(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Yellowstone Headwaters(hydrologic unit)

Upper Yellowstone(hydrologic accounting unit)

Upper Yellowstone(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Custer Gallatin 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 Montana Park

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 009 N 009 E 09 NWNWNE Montana

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Arsenopyrite Ore
Scheelite Ore
Pyrite Ore
Galena Ore
Pyrrhotite Ore
Chalcopyrite Ore
Sphalerite Ore

Mineral occurrence model information

Model code 277
USGS model code Unassigned
Deposit model name Homestake stratiform Au
Mark3 model number 100

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Graywacke
    Rock type qualifier SCHIST & QUARTZITE
    Rock unit name Archean meta-greywackes
    Stratigraphic age (youngest) Archean

Nearby scientific data

Main Entrance (1) -110.62551, 45.07101
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure name GARDINER THRUST FAULT
Type of structure Local
Structure name N-TRENDING ANTICLINE WITH WELL DEVELOPED CROSS FOLDING

Ore body information

  • General form Tabular
    Strike N00E
    Dip 35W
    Length 1.2M
    Width 1M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N00E:35W
    Minimum Depth to Top 1
    Date of Last Modification 830316

Comments on the ore body information

  • ?UPGRADING AND THICKENING OF ORE IN SPECIFIC STRUCTURALLY CONTROLLED SITES. CONTROVERSY REMAINS WHETHER THE BIOTITE SCHIST HOSTED QUARTZ ORE IS A REFOLDED PRIMARY STRATABOUND DEPOSIT, STRUCTURALLY CONTROLLED VEINS FOLDED INTO GROSS CONFORMITY.? (CUTHILL AND OTHERS, 1989)
  • ANTICLINAL FOLDS ALONG WITH HOST ROCK COMPOSITION INFLUENCED FORM, DISTRIBUTION, & TYPE OF DEPOSITION. STOCK GENETICALLY ASSOCIATED WITH ORE-BEARING LODES.

    SULPHIDE MINERALIZATION CONTROLLED BY BEDDING, SCHISTOSITY, CLEAVAGE, TENSION FRACTURES, AND SELVEDGES TO QUARTZ BOUDINS AND VEINS. (CUTHILL AND OTHERS, 1989).

Comments on the geologic information

  • N-TRENDING ANTICLINE WITH WELL DEVELOPED CROSS FOLDING



    ?THE MAJOR FAULTS (100?S OF FEET OF DISPLACEMENT) ON MINERAL HILL ARE THE EAST FAULT AND THE BEAR GULCH FAULT.? (BOTH ARE WEST DIPPING, NORTH TRENDING NORMAL FAULTS (LARAMIDE ?) ARE ALSO NUMEROUS SMALL OFFSET (10?S OF FEET) FAULTS IN THE MINE. ALSO THREE DEFORMATIONAL FOLDING EVENTS WHICH CONTROL ORE DISTRIBUTION (AND POSSIBLY A 4TH). (CUTHILL AND OTHERS, 1989).
  • TWO VEIN TYPES FOUND IN JARDINE LODES. QUARTZ VEINS ARE ASSOCIATED WITH QTZ. SCHISTS & QUARTZITES AND HAVE ERRATIC METAL CONTENTS. ARSENOPYRITE VEINS ASSOC. WITH THE CUMMINGTONITE - HAVE CONSISTENT GOLD CONTENT AND HIGH TENOR.

    ?GOLD MINERALIZATION OCCURS WITHIN AN ARCHEAN PACKAGE OF METATURBIDITES DOMINATED BY QUARTZ-BIOTITE SCHIST, WITH SUBORDINATE BIOTITE SCHST, IRON FORMATION, AND QUARTZ. DIABASE DIKES CROSSCUT THIS PACKAGE. METAMORPHIC GRADE IS GREENSCHIST TO LOWER AMPHIBOLITE FACIES. FOLDED STRATIFORM ORE IS HOSTED BY SULPHIDE-SILICATE FACIES IRON FORMATION, BIOTITE SCHIST, AND QUARTZ. ARSENOPYRITE, PYRRHOTITE, PYRITE, AND SCHEELITE ACCOMPANY THE GOLD MINERALIZATION.? (CUTHILL AND OTHERS, 1989)

    ?THE ORE IS CONFINED TO A SINGLE IRON FORMATION AND ENVELOPING SCHISTS WITH QUARTZ UNITS WITHIN THE JARDINE PACKAGE.? (CUTHILL AND OTHERS, 1989).

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1988
Mining method Combined Methods
Year of first production 1989
Plant type Beneficiation (Mill)
Plant subcategory Hydromet
Milling method Heap Leach-Agglomerate-Carbon Column-Merrill-Crowe

Comments on exploration

  • 1866 - PLACER GOLD DISCOVERED NEAR JARDINE.

    1880?S - LODES BEING WORKED ON MINERAL HILL.

    1898 - ?UNCLE JOE? BROWN BUILDS THE BEAR GULCH MINING COMPANY

    1899 - MILL BUILT.

    1908 - LACK OF CAPITOL FORCES MINES TO SHUT DOWN

    1921 - JARDINE MINING COMPANY REOPENED MINES.

    1923 - ARSENIC MILL BUILT (ARSENIC USED FOR PESTICIDE FOR BOLL WEEVILS).

    1939 - MILL SHUT DOWN.

    1948 - FIRE DESTROYED CYANIDE MILL, JARDINE MINING COMPANY SHUTS DOWN.

    1964 - PROPERTY SOLD TO DEVELOPER FOR SKI RESORT.

    1978 - ANACONDA COMPANY ACQUIRES PROPERTY, BEGINS EXPLORATION.

    1979 - ANACONDA SELLS PROPERTY TO HOMESTAKE MINING COMPANY.

    1984 - JV WITH AMERICAN COPPER AND NICKEL CO. AND HOMESTAKE.

    1988 - HOMESTAKE MINING CO. / AMERICAN COPPER AND NICKEL, CO. (AMERICAN SUBSIDARY OF INCO GOLD COMPANY) 50/50 JOINT VENTURE ANNOUNCE MINE PLANS.

    1989 - PRODUCTION RESUMES.

    1993 - TVX GOLD ACQUIRES HOMESTAKE?S 50% INTEREST IN MINERAL HILL.

    1994 - CREVICE MOUNTAIN DEPOSIT DRILLED OUT; >215,000 OZ AU.

    1996 - SEPTEMBER- MINING AND MILLING OPERATIONS SUSPENDED.

    2001 - FINAL CLOSURE OF THE TVX GOLD, INC. MINERAL HILL MINE.

Mining district

District name Jardine Mining District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim
Type of mineral rights Fee Ownership

Land status

Ownership category Mixed

Ownership information

  • Type Owner-Operator
    Owner TVX Mineral Hill Inc.
    ID 2470128
    Interest 100
    Home office Montana
    Year 1994
    First year 1994
  • Type Owner-Operator
    Owner Mineral Hill Mine
    Interest 100
    Home office Montana
    Year 1990
    First year 1990
    Last year 1994

Production statistics

  • Year 1988
    Ore mined 982500mt
    Description Production From Mine 982500 Mt Ore/A
  • Year 1989
    Ore mined 990000mt
    Description Production From Mine 990000 Mt Ore/A
  • Year 1995
    Ore mined 164000mt
    Accuracy Accurate
    Description Gold Production 34900 T Oz/Yr Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1085511.66g 7g/mt
  • Year 1996
    Description Gold Production 17300 T Oz/Yr Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 538090.22g

Comments on the production information

  • PROD. LEVEL OF 42,000 OZ. 1988 RESERVE= 330,000 CONT. OZ. AU. 1989 PRODUCTION WAS 11,385 OZ.AU FROM MILLING 65,000 MT ORE.
  • 383,992 GM OF GOLD WERE PRODUCED IN 1989. THIS IS A RECOVERY OF APPROXIMATELY 87 PCT. PRODUCED GOLD DORE SPLIT EVENLY BETWEEN THE TWO OWNERS.

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Indicated 990000mt ore
    Demonstrated 990000mt ore
    Total resources 990000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8.19 g/mt Gold Major 1990
  • Type In-situ
    Estimate year 1990
    Total resources 907200mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9.33 g/mt Gold Major 1990
    Silver Ag 1.56 g/mt Silver Minor 1990
  • Type In-situ
    Estimate year 1994
    Demonstrated 198000mt ore
    Inferred 388000mt ore
    Total resources 586000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 10.4 g/mt Gold Major 1994
  • Type In-situ
    Estimate year 1996
    Demonstrated 804000mt ore
    Inferred 491000mt ore
    Total resources 1295000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9.5 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1997
    Demonstrated 1150000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9.7 g/mt Gold Major 1997
  • Type In-situ
    Estimate year 1997
    Inferred 290000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.9 g/mt Gold Major 1997
  • Type In-situ
    Estimate year 1997
    Demonstrated 1150000mt ore
    Inferred 290000mt ore
    Total resources 1440000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9.338 g/mt Gold Major 1997

Comments on the reserve resource information

  • RESERVE ACQUIRED FROM DATA GATHERED BY GLEN REED IN A 1944 MINERAL INDUSTRY SURVEY (IN BACKUP FILE). "R" RECORD 4 SEE "R" BIBLI. REF 002-003, 1989 RESERVE REF. 1989 RESERVE = 425,000 OZ. CONT. AU.
  • MEAS + INDI RESOURCES, 12/31/96: OPERATION SUSPENDED SEPT 1996 PLACED ON C&M:
  • OVER 200,000 OZ AU, WITH AG, AS, W BEFORE 1948.

    APPROXIMATELY 240,000 OZ AU FROM 1800?S TO 1948 (TVX ANNUAL REPORT, 1989)

    FROM 1989 to 1996, 270,000 OZ AU

    RESOURCE OF 430,000 OZ AU AT CREVICE MOUNTAIN



    TVX GOLD INC. MILL: CYANIDE LAT LEACHING AND MERRILL-CROWE ZINC PRECIPITATION, FULLY MECHANIZED CUT-AND-FILL AS WELL AS ROOM- AND-PILLAR MINING.
  • The total pre-mine resource has been estimated at 0.9 Mt of ore @ 9.33 g/t Au.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Percent Waste Rock 10
    Percent Recovery 90
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN

Comments on the workings information

  • LODES DEVELOPED BY OVER 30 ADITS AND 4 MAIN CUTS. THERE ARE AT LEAST 6 MAJOR VEINS - IRREGULARLY SPACED WITHIN THE LODES - FORMING AN EN ECHELON PATTERN. THEY VARY FROM A FEW CM TO 5 M WIDE.

    TVX MINERAL HILL MINE WORKED FROM THREE LEVELS: THE 1050, 750, AND THE 450

Reference information

Bibliographic references

  • Ownership

    TVX GOLD INCORPORATED 1994 ANNUAL REPORT. P27.

  • Geology

    Smith D S 1996 - Hydrothermal alteration at the Mineral Hill Mine, Jardine, Montana: a lower Amphibolite facies Archean lode Gold deposit of probable synmetamorphic origin: in Econ. Geol. v91 pp 723-750

  • Deposit

    REED, G.C., 1950, MINES & MINERAL DEPOSITS - PARK COUNTY, MONTANA: U.S. BUREAU MINES INF. CIRC. 7546.

  • Reserve-Resource

    MONTANA BUREAU OF MINES AND GEOLOGY BUL. #129, 1991.

  • Deposit

    WEDOW AND OTHERS, 1975, MINERAL RESOURCES OF THE ABSAROKA PRIMITIVE AREA AND VICINITY, PARK AND SWEET GRASS COUNTIES, MONTANA: U.S. GEOLOGICAL SURVEY BULLETIN 1391-B.

  • Reserve-Resource

    HOMESTAKE MINING CO. FINANCE DEPT. SUPPLEMENTAL INFORMATION, MARCH 1990, 31 PP.

  • Deposit

    MBMG SPECIAL PUBLICATION 75, P. 114.

  • Reserve-Resource

    TVX GOLD INC. ANNUAL INFORMATION FORM, APRIL 9, 1996,

  • Reserve-Resource

    TVX GOLD INC. 1996 ANNUAL REPORT, PP. 11, 36.

  • Deposit

    SEAGER, G. F., 1944, GOLD, ARSENIC, AND TUNGSTEN DEPOSITS OF THE JARDINE-CREYASSE MOUNTAIN DISTRICT PARK COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOL. MEMOIR 23, P. 44, 78.

  • Deposit

    WALKER,D.W.,1963, TUNGSTEN RESOURCES OF WESTERN MONTANA: U.S. BUREAU OF MINES RI 6334, P.78-97

  • Deposit

    WESTERN TECH. AND ENG. INC. OPERATION PERMIT APPLICATION JARDINE JOINT VENTURE PROJECT., V. 1-2, MAR. 1984, 103 PP.

  • Deposit

    MONT. DEPT. OF STATE LANDS AND U.S. FOREST SERVICE. JARDINE JOINT VENTURE PROJECT, FINAL ENVIRONMENTAL IMPACT STATEMENT, APR. 1986.

  • Deposit

    ROCKY MOUNTAIN PAYDIRT. ACN-HOMESTAKE GOLD VENTURE HIGHLY PRAISED. OCT. 1989, PP. 4A-8A.

  • Deposit

    WILKINSON, TODD. MINING WITH A LIGHT TOUCH. (IDAHO FALLS) POST REGISTER. MAR. 24, 1992, P. A1.

  • Deposit

    THE MINING RECORD, VOL 107, #37, SEPT., 11, 1996, P1.

  • Deposit

    MINING JOURNAL, 9-13-96, P.206.

  • Deposit

    TVX GOLD INC. ANNUAL IFFORMATION FORM, APRIL 9, 1996, PP. 18-20.

  • Deposit

    TVX GOLD INC. 1996 ANNUAL INFORMATION FORM, 12/31/96; PP. 30-33.

General comments

Subject category Comment text
Deposit TVX GOLD PLACED THE MINE ON CARE AND MAINTENANCE 9-96. CORRECTED MINES ID FROM 2401145 TO 2470128.
Deposit Merged data from deposit ID 10270293 (Crevice Mtn. Mine)
Deposit Mineralization is hosted by 3.0 to 3.2 Ga lower amphibolite facies grunerite bearing banded iron formation and meta-turbidites on the Wyoming Craton.



Three types of ore have been mined, namely: 1). The dominant style where Au is contained in marginal wall rock altered envelopes of arsenopyrite, pyrrhotite, hornblende and grunerite sandwiching 0.01 to 1 m thick quartz veins within iron formation, 2). in generally less than 5 m thick banded quartz veins with little or no accompanying wall rock alteration, and 3). in deformed quartz boudins.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-AUG-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 03/10/2003
MSHA mine ID2401145
Mine name (MSHA)Mineral Hill Mine
Current operatorTVX Mineral Hill Inc
Current controller (parent)Kinross Gold Corp
Mine typeUnderground (Metal / non-metal)

Inferred by coordinate + name similarity (588 m, 1.00 match). Confirm against MSHA if precision matters — non-USGS-curated cross-references may occasionally point at a neighbouring mine.

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