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Little Stobie

Producer in Ontario, Canada with commodities Nickel, Copper, PGE, Cobalt, Silver, Gold, Lead, Zinc, Selenium, Tellurium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10039295
MRDS ID M046916
Record type Site
Current site name Little Stobie

Geographic coordinates

Geographic coordinates: -80.99977, 46.54999 (WGS84)
Relative position FOUR MILES NORTH OF SUDBURY

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Ontario

Commodities

Commodity Importance
Nickel Critical Primary
Copper Primary
PGE Critical Primary
Cobalt Critical Secondary
Silver Secondary
Gold Secondary
Lead Tertiary
Zinc Critical Tertiary
Selenium Tertiary
Tellurium Critical Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Cubanite Ore
Gersdorffite Ore
Ilmenite Ore
Magnetite Ore
Pentlandite Ore
Pyrite Ore
Pyrrhotite Ore
Sperrylite Ore

Analytical data

Result AVG. CONC. METALS, PPB., ORE#1: RH=119
Result PD=2108
Result PT=1946
Result IR=61
Result OS=29
Result RU=123
Result AU=773
Result ORE#2: RH=303
Result PD=3132
Result PT=2081
Result IR=113
Result OS=46
Result RU=247
Result AU=859. AVG. CONC. METALS, WEIGHT PERECENT ORE, #1: CU=4.4, NI=3.6, ORE#2: CU=3.7, NI=4.0.

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Meta-Basalt
    Stratigraphic age (youngest) Paleoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro > Norite

Nearby scientific data

(1) -80.99977, 46.54999
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Some Cu-Rich Stringers In Footwall Rocks.

Ore body information

  • General form IRREGULAR
    Strike N60E, S45E
    Dip 55NW
    Thickness 30M
    Length 967M
    Width 610M
    Depth to top 0M
    Depth to bottom 792M
  • General form IRREGULAR
    Dip 55NW
    Thickness 52M
    Length 275M
    Width 273M
    Depth to top 91M
    Depth to bottom 366M

Controls for ore emplacement

  • Fracturing And Brecciation Of Country Rock.

Comments on the geologic information

  • ORE #1 BETWEEN FOOTWALL ROCKS OF METAVOLCANIC AND SEDIMENTARY UNITS, GRANITE, SUDBURY BRECCIA AND HANGING WALL OF POIKILITIC NORITE (MAIN IRRUPTIVE). ORE #2 BETWEEN METABASALTS AND FOOTWALL OF GRANITE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1885
Year of first production 1902

Mining district

District name Sudbury District

Ownership information

  • Type Owner
    Owner International Nickel Co. Of Canada, Ltd. (Inco)
    Home office Toronto, Ontario, Canada

Comments on the production information

  • MINE OPENED IN 1967 . DAILY PRODUCTION CAPACITY 5,500 TONS, 1971 .

Workings at the site

  • Type of workings Underground
    Overall depth 607.77M

Comments on the workings information

  • SERVICE SHAFT TO 2650 FEET

Reference information

Bibliographic references

  • Deposit

    CABRI AND LAFLAMME, 1976 , ECON. GEOL. V. 71 , NO. 7 , P. 1159

  • Deposit

    EMJ INTERNAT. DIR. MINING, 1976 , ENG. MIN. JOUR. P. 195

  • Deposit

    MINING INTERNAT. YEARBOOK, 1978 , FINANCIAL TIMES LONDON, P. 305

  • Deposit

    NORTHERN MINER, 1974, CANADIAN MINES HANDBOOK 1973-1974: THE NOTHERN MINER, P. 170.

  • Deposit

    HOFFMAN AND OTHERS, 1979, THE NOBLE METAL CONTENT OF ORE IN THE LEVACK WEST AND LITTLE STOBIE MINES, ONTARIO, CANADA: CANADIAN MINERALOGIST, V. 17, P. 437.

  • Deposit

    DEYOUNG AND OTHERS, 1985: U.S. GEOLGICAL SURVEY CIRCULAR 930-D, 62 P.

  • Deposit

    SUTPHIN AND PAGE, 1986: U.S. GEOLOGICAL SURVEY CIRCUALR 930-E, 34 P.

  • Deposit

    CROCKETT AND OTHERS, 1987: U.S. GEOLGOICAL SURVEY CIRCULAR 930-F, 54 P.

  • Deposit

    PYE AND OTHERS, EDS., 1984, THE GEOLOGY AND ORE DEPOSITS OF THE SUDBURY STRUCTURE: ONTARIO GEOLOGICAL SURVEY SPECIAL VOLUME 1, 603 P.

  • Deposit

    NORTHERN MINER, 1975, CANADIAN MINES HANDBOOK 1974-1975: THE NORTHERN MINER, P. 166.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 1975, 1975 INTERNATIONAL DIRECTORY OF MINING: NEW YORK, MCGRAW-HILL, P. 191.

  • Other Database

    ISMI

General comments

Subject category Comment text
Deposit ORDER OF ABOVE DEPOSIT DIMENSIONS: #1, #2. SIX ORE TYPES RECOGNIZED IN TWO ORE BODIES, #1 AND #2. RH, PD, IR, OS, AND RU ENRICHED IN #2 COMPARED TO #1. CU, NI, AND PT ABOUT EQUAL IN BOTH ORE BODIES. IN GENERAL, THE DEPOSIT IS A SUDBURY SUBLAYER INTRUSION AT THE BASE OF THE NICKEL IRRUPTIVE.
Deposit 40 ORE SAMPLES COLLECTED IN ORE BODIES #1 AND #2. AS OF 11-87L, THIS RECORD INCLUDES DATA FROM W012742 WHICH HAS BEEN DELETED FROM THE DATA BASE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1978 Blair, Will N. U.S. Geological Survey
Updater 01-NOV-1979 Oster, Karel L. U.S. Geological Survey

Beyond USGS

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

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