1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Beartrack

Past Producer in Lemhi county in Idaho, United States with commodity Gold
Map
XML
JSON
KML
B
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. Ore body information
  12. Controls for ore emplacement
  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 10217048
MRDS ID TC00006
MAS/MILS ID 0160590872
Record type Site
Current site name Beartrack
Alternate or previous names Moose Creek, South Gold Ridge, North Gold Ridge, South Pit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -114.10838, 45.23356 (WGS84)
Elevation 2100
Location accuracy 1000(meters)
Relative position Beartrack lies at an elevation of approximately 2,100 m. Access is by 55 km of county and US Forest Service gravel roads.

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Leesburg(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis 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 Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 022 N 023 E 04 E2 Idaho

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Pyrite Ore
Arsenopyrite Ore
Cinnabar Ore
Stibnite Ore
Boulangerite Ore

Mineral occurrence model information

Model code 75
USGS model code 19c
Deposit model name Distal disseminated Ag-Au
Mark3 model number 18

Host and associated rocks

  • Host or associated Host
    Rock type
    Rock unit name Yellow Jacket Formation

Nearby scientific data

Ore Body (1) -114.10838, 45.23356
ListMap

Economic information

Ore body information

  • Name Beartrack
    General form Disseminated, Stockwork , Vein (lode)
    Depth to bottom 152.4M

Controls for ore emplacement

  • Faulting
  • Fracturing
  • Shearing

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Mining method Open Pit
Year of first production 1995
Year of last production 2006
Plant type Leach
Milling method Heap Leach-Electrowin

Mining district

District name Beartrack

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Meridian Gold Co. (Successor To FMC Gold Co.)
    Interest 100
    Home office Nevada
    Year 1996
    First year 1996
  • Type Owner-Operator
    Owner FMC Gold Co. (80% Owned By FMC Corp.)
    Interest 100
    Home office Illinois
    Year 1996
    Last year 1996

Production statistics

  • Year 1995
    Material ore
    Ore mined 4300115.21mt
    Description Ore Processed @ 0.034 Opt 3901000 St Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1524070.56g 1g/mt
  • Year 1996
    Material ore
    Ore mined 4822610.62mt
    Description Ore Processed @ 0.026 Opt 4375000 St Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 3390279.42g 1g/mt
  • Year 1997
    Ore mined 4188781.8mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 3328072.46g 1g/mt
  • Year 1998
    Ore mined 4506247.36mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 3430371.81g 1g/mt
  • Year 1999
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 4128240.61g
  • Year 2000
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2246822.15g
  • Year 2001
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 576378.6g
  • Year 2002
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 269138.42g
  • Year 2003
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 69578.48g
  • Year 2004
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 31103.48g
  • Year 2005
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 6220.69g
  • Year 2006
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 6500.62g

Reserves and resources

  • Type In-situ
    Estimate year 1996
    Demonstrated 20677000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.17 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1997
    Demonstrated 23224000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.13 g/mt Gold Major 1997

Comments on the reserve resource information

  • PROVEN + PROBABLE ORE RESERVES; 12/31/96; ADIT CAP. BASED ON AVG OF 1995 AND 1996 TOTAL ORE PRECESSED.
  • 85% OF PROVEN + PROBABLE RESERVES AS OF 12/31/95 IS LOCATED ON PATENTED LAND.

Workings at the site

  • Type of workings Surface
    Area 285HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Swell Factor .87
    Percent Waste Rock 1.4
    Avg. Overburden Thickness 30
    Primary Material Cover SAND, GRAVEL
    Percentage 30
    Secondary Material Cover HARDPAN
    Percentage 60
    Tertiary Material Cover M-HARD ROCKS
    Percentage 10
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 7.6
    Max. Pit Slope (degrees) 45
    Capacity 15701
    Capacity Units MT ORE/DAY
    Unit Production Cost 3
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1991

Reference information

Bibliographic references

  • Production

    MERIDIAN GOLD INC., 1996 ANNUAL REPORT, P18.

  • Production

    MERIDIAN GOLD INC., 1996 FORM 20-F, P9.

  • Reserve-Resource

    FMC GOLD CO. 1995 ANNUAL REPORT, P6.

  • Reserve-Resource

    MERIDIAN GOLD INC., 1996 ANNUAL REPORT, P39.

  • Reserve-Resource

    MERIDIAN GOLD INC., 1996 FORM 20-F REPORT, P8.

  • Workings

    BEARTRACK GOLD PROJECT DRAFT ENVIRONMENTAL IMPACT STATEMENT BY CANYON RESOURCES INC. 1989.

  • Workings

    1989 ANNUAL REPORT, CANYON RESOURCES.

  • Workings

    1989 PLAN OF OPERATIONS, CANYON RESOURCES.

  • Workings

    PERSONAL COMMUNICATION, MINE MANAGER, MEIDIAN GOLD, 1991, BY THOMAS ALLEN.

  • Deposit

    FMC GOLD CO. NEWS RELEASE, 4-19-90.

  • Deposit

    FMC GOLD CO. 1994 ANNUAL REPORT, P.4.

  • Deposit

    MAS PROPERTY EVALUATION FILE REPORT BY THOMAS J. ALLEN, 7-91.

  • Deposit

    RANDOL MINING DIRECTORY, 1994/95, U.S. MINES & MINING COMPANIES, P266.

  • Deposit

    MACKENZIE W. O. 1949 UNIVERSITY OF IDAHO MS THESIS.

  • Deposit

    THE MINING RECORD, VOL., 107, #48, NOV., 27, 1996, P3.

  • Deposit

    THE MINING RECORD, VOL., 108, #1, JAN., 1997, P1.

  • Deposit

    THE MINING RECORD, VOL., 108, #10, MAR., 5, 1997, P9.

  • Deposit

    RANDOL MINING DIRECTORY, 1996/97, U.S. MINES & MINING COMPANIES, P139.

  • Deposit

    "NAM"; NORTH AMERICAN MINING, V1, #2, MARCH, 1997, P21.

General comments

Subject category Comment text
Deposit MILS MINES I.D. (MSHA.DBF #) 1001574 IS PROBOBLY FOR THE COMPANY LISTED AS, MERIDIAN GOLD COMPANY, ON MSHA.DBF. MILS RES_ID # IS 1070133, COULD NOT FIND THIS # IN MSHA.DBF. DEVELOPMENT DECISION EXPECTED EARLY 1989. MINE CAPACITY WILL BE IN TH 50,000 TO 100,000 OZ AU/YR RANGE. MINING BEGAN IN 11-94 AND REACHED FULL-SCALE PRODUCTION 7-95. 12-95, THE MINE HAD APPROXIMATELY 4.7 MILLION TONS OF ORE CONTAINING NEARLY 113,000 OZ OF GOLD UNDER LEACH. THE MINE IS A HEAP LEACH OPERATION CONTAINING APPROXIMATELY 800,000 OZ OF PROVEN+PROBABLE GOLD RESERVES.

Reporter information

Type Date Name Affiliation Comment
Reporter 29-SEP-97 Buckingham, David A. U.S. Bureau of Mines
Reporter 01-APR-89 Marcus, Sue U.S. Geological Survey

Beyond USGS

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

Maps centered on this site