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Brazil
Serra Sul Complex (Northern System)

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 Location:
43 km NW from Canaã dos Carajás, Brazil

  Address:
Av. Titânio - Vale dos Carajás
Canaã dos Carajás
Brazil
68537-000
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • In-Pit Crushing & Conveying (IPCC)
  • Truck & Shovel / Loader
Production Start...
Mine Life2062
The property consists of orebody S11, subdivided on A, B, C, and D. Current production activities are in the S11D mine and the mineral reserves and mineral resources are defined only for the orebodies C and D.

The Serra Sul 120 project was approved by the Board of Directors in August 2020. This project consists of increasing the S11D mine-plant capacity by 20 Mtpy, to a total of 120 Mtpy at site. This project is expected to result in an increase of the Northern System’s mine-plant capacity to 260 Mtpy. The project has total multi-year investments of US$1.5 billion and its start-up is expected for the second half of 2024.


Owners

Source: p. 52,85
CompanyInterestOwnership
Vale S.A. 100 % Indirect
Vale conducts iron ore business in Brazil primarily at the parent-company level, and through subsidiaries Mineracao Corumbaense Reunida S.A. (‘‘MCR’’) and Mineracoes Brasileiras Reunidas S.A. (‘‘MBR’’).

Contractors

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Deposit Type

  • Banded iron formation


Summary:

The main Carajás iron ore deposits are associated with flat-topped elevated plateaus, in general, elevated areas, between 650-800 meters, defined along two main morphological alignments
corresponding to Serra Norte and Serra Sul. These alignments materialize the limbs of the Carajás Syncline.

The Serra Sul Complex corresponds to the normal limb domain of the Carajás Syncline, characterized by a lower degree of deformation when compared to the inverse limb, which is reflected in the greater continuity of the iron formations.

The S11 deposit corresponds to the largest plateau and the main mineralized body of Serra Sul. This plateau extends for 28 km in the NW-SE direction. Its shape is segmented, with directions that vary sharply between N-S and E-W, configuring a kink-type pattern. The deposit includes A, B, C, and D bodies, the latter is the one of the highest economic interests. The plateau is predominantly composed of rocks from the Carajás and Igarapé Cigarra formations, which contact the Parauapebas Formation to the south, and Águas Claras Formation to the north. The layers present variable dips and azimuths shifting between the north and east directions, in general configuring a normal stratigraphic stacking.

At the eastern portion of the S11 plateau, which comprises the active part of the S11D mine, the geological information was obtained by mapping on a 1:2,000 scale, diamond drilling, trenches and channels.

The Carajá ........


Mining Methods

  • In-Pit Crushing & Conveying (IPCC)
  • Truck & Shovel / Loader


Summary:

The Serra Sul Mining Complex is located in the north of Brazil. The property consists of orebody S11, subdivided on A, B, C, and D. Current production activities are in the S11D mine and the mineral reserves and mineral resources are defined only for the orebodies C and D.

Serra Sul has been operating since 2016, with production rates of approximately 80 Mtpa in the recent years. It is mined by open pit with berms and benches and uses large truck, shovel equipment and also In Pit Crusher Conveyor (IPCC) mining method.

The mine design includes benches 15m high, berms 15m wide, bench face angles from 50 to 85 degrees, according to the lithology in the mine. Ramp access is 40m width with 10% gradient.

The mining method at Serra Sul is open pit. Materials that require drilling and blasting and whose geometry does not favor to IPCC, are mined by normal truck and shovel, otherwise IPCC mining method is applied.

The movement of material is done by electric cable and/or hydraulic excavators into mobile crushers. The mobile crushing plants are equipped with a “sizer” (friable materials) or jaws crushers (compact material). Once the particle is reduced to the appropriate size for the conveyor belt, both the ore and the waste are sent to a transfer house where the conveyors are provided with a mobile head and adjust to transfer the ore onto a belt that takes it to a stockpile and the waste to another belt that sends to spreaders, which build the waste dumps.


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits202120202019201820172016
Iron Ore Mt  ......  Subscription required  ......  Subscription required  ......  Subscription required58220.4
All production numbers are expressed as fines.
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Operational Metrics:

Metrics2021
Annual processing capacity  ......  Subscription required
Annual ore mining rate  ......  Subscription required
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Reserves at December 31, 2021:
The economic cut-off grade was not applied, as it is lower than the values estimated in the mineralized portion of the block model.

CategoryTonnage CommodityGrade
Proven 1,826 Mt Iron 66 %
Probable 2,447 Mt Iron 65.6 %
Proven & Probable 4,273 Mt Iron 65.8 %
Measured 479.9 Mt Iron 66 %
Indicated 388 Mt Iron 64.6 %
Measured & Indicated 867.8 Mt Iron 65.4 %
Inferred 123.5 Mt Iron 64.3 %

Financials:

Units20222021
Capital expenditures (planned) M USD  ......  Subscription required
Growth Capital M USD  ......  Subscription required
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Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of April 8, 2022:
HME TypeQuantity
Drill ....................... Subscription required
Excavator ....................... Subscription required
Truck (haul) ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
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Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Form 20-F 2018
Form 20-F 2017
Form 20-F 2016
Form 20-F 2015
Form 20-F 2011
Technical Report 2010
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