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Brazil
Serra Azul Mine

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 Location:
51 km NW from Divinopolis, Brazil

  Regional Office:
Rod BR 381, km 533, saída 522, Fazenda Córrego Fundo
Itatiaiucu
Brazil
Phone55-31-30251500
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
Processing
  • Gravity separation
  • Magnetic separation
Iron ore reserve estimates are including Serra Azul and Andrade mines.


Owners

 
CompanyInterestOwnership
ArcelorMittal SA 100 % Indirect
ArcelorMittal Mineracao Serra Azul S.A. 100 % Direct

Deposit Type

  • Sedimentary

Source: Source p.56

Summary:

The Serra Azul, westernmost section of the Serra do Curral, is 14 kilometers long. The east end of the section, a little less than 1 kilometer long, is in the southwest corner of the Igarape" quadrangle.

The large part of the range is in the Serra Azul and Itatiaiugu quadrangles. More than 11 kilometers of the crest of the Serra Azul is overlain by three long narrow canga sheets and associated rolado deposits. From east to west the three canga sheets are approximately 4, 5.5, and 2 kilometers long, respectively. A fourth canga sheet, 1.1 kilometers long and 250 meters wide, lies on the north side of the range at its east end and near the head of Corrego da Pedra Grande.

The canga and rolado deposits on the range crest mostly overlie the Caue" Itabtrite, but both the east and middle sheets locally overlie the Cercadinho Formation, which occurs near the range crest on the north side of the range, and the Caraga Group which occurs on the south side of the crest. The middle canga layer extends as much as half a kilometer south of the range crest, covering a dip slope of overturned Caue Itabirite. The canga sheet north of the range caps a pediment overlying the Fecho do Funil Formation, TaboSes Quartzite, and Sabara Formation. The canga deposits cover 2,300,000 square meters and have an average thickness of 2 meters. The rolado deposits have an aerial distribution of 200,000 square meters and an average thickness of 1 meter. The canga is estimated to average 62 percent iron; the rolado, 60 percent iron. Eight canga samples had an average iron content of 63.34 percent


Mining Methods

  • Truck & Shovel / Loader

Source: p.2

Summary:

Canga and rolado are mined from numerous small excavations in the Serra Azul, and enriched itabirite is mined with the canga at two places. Mining operations are concentrated along the western part of the middle canga sheet and near the graben at the east end of the middle canga sheet and west end of the east canga sheet, and it is in these two areas where enriched itabirite is mined.


Crushing and Grinding
Source: Source p.91


Processing

  • Gravity separation
  • Magnetic separation

Source: Source p.91

Summary:

In addition to the open pit mine, processing operations consist of a crushing facility and a three-line concentration facility including screening, magnetic separation, spirals separators and jigging. Production is transported either by truck for local clients of lump, or by truck to two railway terminals located 35 and 50 kilometers, respectively, from the mine site for selling to local clients of sinter feed or for export through third-party port facilities located in the Rio de Janeiro State.


Production:

CommodityUnits201920182017201620152014
Iron Ore Mt 0.91.31.61.621.8
All production numbers are expressed as lump & fines.


Reserves at December 31, 2019:

CategoryTonnage CommodityGrade
Proven 52 Mt Iron 55.5 %
Probable 41 Mt Iron 49.4 %
Proven & Probable 93 Mt Iron 52.8 %


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
General Production Manager Aercio Januzzi LinkedIn Nov 22, 2019
Maintenance Manager Saulo Marinho Caldas LinkedIn Nov 22, 2019


Corporate Filings & Presentations:

DocumentYear
Fact Sheet 2019
Fact Sheet 2019
Form 20-F 2019
Annual Report 2018
Form 20-F 2018
Annual Report 2017
Annual Report 2016
Fact Sheet 2016
Annual Report 2015
Annual Report 2015
Form 20-F 2015
Other 1968

Aerial view:

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