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Brazil
Northern System Operation (Serra Leste Complex, Serra Norte Complex, Serra Sul Complex)

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 Location:
15 km N from Curionópolis, Brazil

  Regional Office:
Rua Cabral 1555, Centro
Corumbá
Brazil
79332-030
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2059
Northern System includes mining complexes:
- Serra Norte (three main mining areas and three beneficiation plants);
- Serra Sul (one main mining area and one beneficiation plant);
- Serra Leste (one mining area and one beneficiation plant).

Vale has planned the expansion of Northern System to 240 Mtpy, the Capanema project implementation and the conversion of Plant 1 in Serra Norte to dry processing.


Owners

Source: p. 40
CompanyInterestOwnership
Vale S.A. (operator) 100 % Indirect
Northern System Operation is owned and operated by Vale S.A.

Northern System Vale interest: Serra Norte - 100%, Serra Sul - 100%, Serra Leste - 100%.

Contractors

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Deposit Type

  • Banded iron formation


Summary:

The iron deposits of the Northern Iron System are hosted in the Precambrian rocks of the Itacaiunas Supergroup. The basement of the region consists of the Pium Complex ortho-granulites, and Xingu Complex gneiss and migmatites. The volcanics and sediments of the Itacaiunas Supergroup overlie the basement, and are in turn overlain by Aguas Claras clastic sediments. Granites, gabbros, and granitoids intrude the sedimentary sequence. The Carajas ores are hosted by the Grao Para Group of the Itacaiunas Supergroup, composed of meta-basalts, meta-sediments, ironstones, and meta-rhyolites. The ore deposits lie within an approximately 300 to 400 meters thick banded chert-hematite jaspilite unit that occurs between thick volcanic units. The lower volcanic unit is the Parauapebas Formation (4,000 to 6,000 meters thick), and consists of bimodal volcanics (dominantly massive, vesicular and porphyritic flows and agglomerate breccias of metabasalt, meta-basaltic andesite and meta-trachyandesites), with subordinate (10 to 15 percent) meta- rhyolitic tuffs and flows. The Carajas Formation hosts the deformed banded-iron formations (BIFs) with some interbedded mafic meta-volcanics. The Cigarra Formation (upper volcanic unit) is similar to that of the Parauapebas Formation with mixed meta-sediments (fine grained tuffs, tuffaceous siitstones, phyllites, cherts and greywacke). The volcanic sequence has generally been weathered to a depth of 100 to 150 meters. The oxidation is observed to a depth ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Iron ore Northern System operations are located at Carajás, State of Pará in Brazil. Northern System includes mining complexes: - Serra Norte (three main mining areas and three beneficiation plants); - Serra Sul (one main mining area and one beneficiation plant); - Serra Leste (one mining area and one beneficiation plant). Open pit mining operations with high grade hematite ore type (iron grade around 65%) for Serra Norte, Serra Sul and Serra Leste. In Serra Leste there is also a minor amount of Itabirite material (iron grade of 35-60%). Serra Norte The Serra Norte Complex corresponds to deposits called N1, N2, N3, N4 and N5. The mines in operation are N4E, N4W and N5. Projects N1 and N2 are expected to start up in 2026 and project N3 is expected to start up in 2023. N4 and N5 mines, currently in operation, utilize open pit mining and are operated by large loading and hauling equipment, namely, hydraulic excavators with loading capacity up to 80 ton, cable excavators with loading capacity up to 109 ton and front-end-loader with loading capacity of 72.6 ton. The haulage is carried out by truck with payload capacity of 400, 363 and 290 Tons. In some regions of these mines, where maximum relevant iron ore caves are presented, continuous miners are utilized, which eliminates drilling and blasting thereby reducing ground vibrations caused by blasting and avoiding damage to the caves near the mining areas. The mining method at Serra Norte is open pit, as a normal standard ope ........


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits2022202120202019201820172016
Iron Ore kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required193,600169,200148,100
All production numbers are expressed as concentrate.
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Operational Metrics:

Metrics2021
Annual production capacity  ......  Subscription required
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Reserves at December 31, 2022:

CategoryTonnage CommodityGrade
Proven 2,207 Mt Iron 66.1 %
Probable 3,736 Mt Iron 65.6 %
Proven & Probable 5,943 Mt Iron 65.8 %
Measured 1,367 Mt Iron 62.9 %
Indicated 1,076 Mt Iron 62.3 %
Measured & Indicated 2,443 Mt Iron 62.6 %
Inferred 473.6 Mt Iron 63.6 %


Water Supply
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 19, 2023
....................... Subscription required ....................... Subscription required Subscription required May 19, 2023
....................... Subscription required ....................... Subscription required Subscription required May 19, 2023
....................... Subscription required ....................... Subscription required Subscription required May 18, 2023
....................... Subscription required ....................... Subscription required Subscription required May 18, 2023
....................... Subscription required ....................... Subscription required Subscription required May 18, 2023
....................... Subscription required ....................... Subscription required Subscription required May 19, 2023
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Corporate Filings & Presentations:

DocumentYear
Form 20-F 2022
Technical Report 2022
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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