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Canada
Stobie Mine (Sudbury Operation)

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 Location:
3 km N from Sudbury, Ontario, Canada

  Regional Office:
18 Rink Street
Copper Cliff
Ontario, Canada
P0M 1N0
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StatusClosing / Closed
Mine TypeUnderground
Commodities
  • Nickel
  • Copper
  • Cobalt
  • Platinum
  • Palladium
  • Gold
Mining Method
  • Sub-level caving
  • Vertical block mining (VBM)
  • Uppers Retreat
Production Start...


Owners

Source: p. 60
CompanyInterestOwnership
Vale S.A. 100 % Indirect
Vale conducts nickel operations primarily through wholly owned subsidiary Vale Canada Limited, which operates two nickel production systems, one in the North Atlantic region and the other in the Asia Pacific region.

Contractors

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Deposit Type

  • Magmatic
  • Breccia pipe / Stockwork
  • Footwall hosted


Summary:

South Range contact-type Ni-Cu deposits are similar to those of the North Range. They occur at the base of the SIC in the sub-layer and include the Creighton Mine and Stobie Mine orebodies, Murray Mine Main Orebody and the Blezard Main Orebody. The South Range Footwall Breccia underlies the sub-layer and is derived from melanocratic metasedimentary rocks and metavolcanic rocks. Ni-Cu mineralization occurs as disseminated to massive sulphide within the sub-layer. These deposits are generally zoned from massive ore at the footwall to disseminated sulphide ore toward the hangingwall. The PGE-Au content of the contact deposits is generally low. Similar to North Range contact deposits, Ni-Cu mineralization occurs within bodies of footwall breccia with minor amounts of quartz diorite. Massive sulphide Cu-PGE-Au footwall mineralization is also found in the South Range deposits but is not abundant (Creighton Mine).


Mining Methods

  • Sub-level caving
  • Vertical block mining (VBM)
  • Uppers Retreat


Summary:

The primary mining methods used at Frood and Stobie mines are Sublevel Cave, Vertical Retreat Mining and Uppers Retreat Mining.


Crushing and Grinding


Processing

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Summary:

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Combined production numbers are reported under Sudbury Operation

Operational Metrics:

Metrics20172016201520142013
Ore tonnes mined 448 kt1,373 kt1,471 kt2,089 kt1,887 kt
Daily ore mining rate 4,801 t

Reserves at December 31, 2022:

CategoryTonnage CommodityGrade
Measured & Indicated 10,035 kt Nickel 0.47 %
Measured & Indicated 10,035 kt Copper 0.42 %
Measured & Indicated 10,035 kt Cobalt 0.02 %
Measured & Indicated 10,035 kt Platinum 0.2 g/t
Measured & Indicated 10,035 kt Palladium 0.22 g/t
Measured & Indicated 10,035 kt Gold 0.09 g/t


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 24, 2021
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2019
Form 20-F 2018
Form 20-F 2017
Form 20-F 2016
Other 2016
Form 20-F 2015
Form 20-F 2014
Other 2010
Project Description 2010
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