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Canada
Sudbury Operation (Coleman Mine, Copper Cliff North Mine, Creighton Mine, Garson Mine, Totten Mine)

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 Location:
4 km SW from Sudbury, Ontario, Canada

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

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Nickel
  • Copper
  • Cobalt
  • Platinum
  • Palladium
  • Gold
  • Silver
Mining Method
  • Mechanized Cut & Fill
  • Drift & Fill
  • Post Pillar Cut & Fill
  • Transverse stoping
  • Longitudinal stoping
  • Vertical Crater Retreat
  • Slot-Slash
  • Uppers Retreat
  • Backfill
  • Paste backfill
  • Hydraulic backfill
Production Start...
Mine Life2043
The Sudbury Operations have been in operation for more than 100 years. It is one of the largest integrated mining complexes in the world.

The Sudbury operations consist of:
- Production stage underground mines (Coleman, Copper Cliff, Creighton, Garson, Totten), a non-operating mine (Stobie), with exploration stage and non-producing deposits;
- Processing and refining capabilities are a combination of facilities in Sudbury (Clarabelle Mill, Copper Cliff Smelter and Nickel Refinery), Port Colborne Nickel Refinery, which is located in in Port Colborne, Ontario, about 160 km from Toronto, Ontario.
Latest NewsBrazil's Vale gets offers for stake in base metals unit -local media     May 18, 2023


Owners

Source: p. 16
CompanyInterestOwnership
Vale S.A. 100 % Indirect
Vale Canada Ltd. (operator) 100 % Direct
The Sudbury (Ontario) Operations are wholly-owned by Vale Canada Limited (Vale Canada), a Vale S.A. wholly-owned subsidiary. Vale S.A. uses Vale Canada, as operator of the Operations.

Contractors

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Deposit Type

  • Magmatic
  • Footwall hosted
  • Breccia pipe / Stockwork


Summary:

The Sudbury magmatic copper–nickel sulphide deposits are part of the Paleoproterozoic Sudbury Structure which comprises the SIC and associated dykes, and the overlying Paleoproterozoic Whitewater Group rocks. Footwall rocks to the Sudbury Structure are Archean gneisses and granitic and mafic igneous rocks to the north and Paleoproterozoic metavolcanic and metasedimentary rocks of the Huronian Supergroup to the south. The Sudbury Structure is exposed as an elliptical ring with a northeast-trending long axis of ~72 km and a short axis of ~27 km. The upper northeast-trending contact of the surface expression of the SIC is often referred to as the North Range, similarly the South Range is associated with the areas along or near the southern surface exposure of the SIC contact. Margins of the SIC are characterized with an average inward dip of about 45º along the north part of the SIC; however, they are generally steeply dipping or overturned in the south and east sections. Major components of the SIC include the differentiated norite–gabbro-granophyre Main Mass and a group of minor intrusions, collectively termed the Sublayer. Three major variants of the Sublayer are recognized: the first comprises igneous-textured gabbro–noritic material, the second consists of igneous-textured quartz diorite, while the third variant comprises a wide variety of metamorphictextured rocks collectively known as “footwall breccia”. The Sublayer is localized either at the contact between the Main M ........


Mining Methods

  • Mechanized Cut & Fill
  • Drift & Fill
  • Post Pillar Cut & Fill
  • Transverse stoping
  • Longitudinal stoping
  • Vertical Crater Retreat
  • Slot-Slash
  • Uppers Retreat
  • Backfill
  • Paste backfill
  • Hydraulic backfill


Summary:

The Sudbury operations consist of production stage underground mines (Coleman, Copper Cliff, Creighton, Garson, Totten), a non-operating mine (Stobie), with exploration stage and non-producing deposits

The Ontario Operations use conventional bulk stoping or narrow vein cut-and-fill mining methods, depending on the mine and geological setting. Conventional open pit mining is planned for the Copper Cliff Pit.

Underground mines are Owner operated, and use conventional equipment. The planned open pit will also use conventional equipment and be either Owner operated or operated by third-party contractor.

Mines are accessed using a combination of shafts, declines, and internal ramps.

Several mining methods are used across the Ontario Operations: these include variations on open stoping (longitudinal, transverse, slot–slash, vertical retreat, uppers retreat), and mechanized cutand-fill (post-pillar cut-and-fill, narrow vein cut-and-fill, drift-and-fill). Each mine has a substantial history of which mining methods work best under various geological and geotechnical conditions. This production record is considered when selecting the mining method.

The ore and waste handling system varies at each mine. Ore can be transported using load–haul–dump vehicles to a central loading area or ore pass, and then trucked to an underground crusher, from where it is hoisted to surface; or, if the mine has decline access, it is trucked to surface ........


Crushing and Grinding
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Processing

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Summary:

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Production:
2022 Pt, Pd and Au production numbers also include ore source from Manitoba, external source, and minor amounts from Voisey‘s Bay.

CommodityUnits2022202120202019201820172016
Nickel kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required516280
Copper kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Cobalt t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Platinum koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Palladium koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver koz  ......  Subscription required
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Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required3,669 kt3,337 kt4,210 kt
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required66 kt of nickel metal66 kt of nickel metal
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Reserves at December 31, 2022:
The mineral resource reasonable prospects of economic extraction were determined using the following price ranges: nickel US$13,376 18,800/t, copper US$ 6,100-8,150/t, cobalt US$ 45,000-52,911/t, platinum US$ 1,124-1,290/oz, palladium US$ 925-1,400/oz, gold US$ 1,000-1,650/oz, depending on the deposit.

The mineral reserve economic viability was determined based on a commodity price curve with long-term price of per metric ton of US$17,725 for nickel, US$7,950 for copper, US$56,250 for cobalt. US$/oz platinum US$1,175 palladium US$1,175, and gold US$1,525.

CategoryTonnage CommodityGrade
Proven & Probable 72.4 M dmt Nickel 1.47 %
Proven & Probable 72.4 M dmt Copper 1.46 %
Proven & Probable 72.4 M dmt Cobalt 0.04 %
Proven & Probable 72.4 M dmt Platinum 0.92 g/t
Proven & Probable 72.4 M dmt Palladium 1.11 g/t
Proven & Probable 72.4 M dmt Gold 0.34 g/t
Measured & Indicated 43.7 M dmt Nickel 1.28 %
Measured & Indicated 43.7 M dmt Copper 2.16 %
Measured & Indicated 43.7 M dmt Cobalt 0.03 %
Measured & Indicated 43.7 M dmt Platinum 1.03 g/t
Measured & Indicated 43.7 M dmt Palladium 1.27 g/t
Measured & Indicated 43.7 M dmt Gold 0.42 g/t
Inferred 18 M dmt Nickel 1.3 %
Inferred 18 M dmt Copper 1.4 %
Inferred 18 M dmt Cobalt 0.04 %
Inferred 18 M dmt Platinum 0.9 g/t
Inferred 18 M dmt Palladium 1 g/t
Inferred 18 M dmt Gold 0.3 g/t

Financials:

Units20222021
Book Value M USD  ......  Subscription required  ......  Subscription required
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Water Supply
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 3, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 30, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required May 3, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required May 3, 2023
....................... Subscription required ....................... Subscription required Subscription required May 3, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2022
Subscription required 2021
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
Form 20-F 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Form 20-F 2018
Form 20-F 2017
Form 20-F 2016
Press Release 2016
Form 20-F 2015
Press Release 2015
Form 20-F 2014
Press Release 2013
Other 2010
Project Description 2010
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News:

NewsDate
Brazil's Vale gets offers for stake in base metals unit -local media May 18, 2023

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