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Brazil
Minas-Rio Mine

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 Location:
106 km E from Curvelo, Brazil

  Regional Office:
Rua Maria Luiza Santiago, nº 200, Bairro Santa Lucia
Belo Horizonte
Brazil
30360-740
Phone55-31-98888-8598
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Production Start2014
Mine Life52 years (as of Jan 1, 2022)
Minas-Rio comprises the Serra do Sapo mine and the Itapanhoacanga Project.


Owners

Source: p. 271
CompanyInterestOwnership
Anglo American plc. 100 % Indirect

Contractors



Deposit Type

  • Banded iron formation

Source: Source

Summary:

The Minas-Rio deposit, comprising the Serra do Sapo operation and Itapanhoacanga project, is hosted in a Proterozoic metasedimentary sequence located in the Serra do Espinhaço Belt. The main iron bearing lithologies are concentrated in a unit of the Serra do Sapo Formation, which consists of a haematite-quartz-sericite schist, referred to as itabirite. The outcrops occur along a narrow ridge of 12km length in NNW-SSE strike and moderately dipping (25o) to the East. All these sequences are controlled by thrust fault systems that are responsible for local duplications, inversions or suppression of the beds. The Itabira District is located some 80 km to the ENE of Belo Horizonte in Minas Gerais, within an outlier of the Rio das Velhas and Minas Supergroups that are infolded into the surrounded Archaean gneissic complex which separates them from the main Quadrilátero Ferrífero. The operating mines exploit ore developed in the Cauê Itabirite at the base of the Itabira Formation of the Minas Supergroup. This unit is exposed over a continuous strike length of 11 km in a series of synformal and antiformal structures that collectively define a larger synclinorium. The iron ores of the Itabira district occur both as hard high grade, 67% Fe hematite and as friable lower grade, 45-50% Fe itabirites that must be upgraded. In addition, the orebodies are mantled by canga, (detrital and lateritic material). The hematite ores are interpreted to be due to hypogene enrichment of the itabirites, while the friable ores are the result of supergene leaching of silica and iron enrichment. The geological resource is stated at 1.3 Gt of hematite ore and 2.8 Gt of friable ores.


Mining Methods

  • Truck & Shovel / Loader

Source:

Summary:

Iron ore operation in Brazil, Minas-Rio, consists of an open-pit mine and beneficiation plant.


Crushing and Grinding
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Processing

  • Desliming
  • Crush & Screen plant
  • Flotation
  • Magnetic separation
  • Dewatering

Flow Sheet: Source
Source: Source

Summary:

In Brazil, company have developed the Minas-Rio operation (100% ownership), consisting of an open- pit mine and beneficiation plant, which produces a high grade pellet feed product, with low levels of contaminants. The iron ore is transported through a 529-kilometre pipeline to the iron ore handling and shipping facilities at the port of Açu. Minas-Rio’s pellet feed product also commands a premium price, as its ultra-low contaminant levels and high iron content (67% Fe content) are sought after by steel producers who are seeking to minimise emissions while boosting productivity. WET PROCESS STRUCTURE: • Primary grinding • Flotation • Regrinding • Concentrate thickener • Tailings dam. Traditionally, iron ore content has been removed from lower grade ore-bearing material through flotation, a physical-chemical process of separating particles of different granulations, which are induced or repelled when in contact with water. At Minas-Rio, we have introduced magnetic separation to the flotation process. This is a disruptive technology that uses magnetic separators to concentrate fine and ultrafine iron particles (ultrafines). The technology allows us to do away with expensive flotation columns that necessitate prior mud removal to work efficiently and is enabling higher metal recovery, along with lower levels of contaminants. Minas-Rio’s magnetic separation plant is due to start operations in October 2022, with metal recovery expected to increase by c.4%. This enhanced treatment of the ore, brought about by greater efficiencies in the concentration process, will boost overall iron ore output. Pellet feed production is now projected to increase by 1.5 million tonnes per year (Mtpa) – against c.700,000 tpa using conventional flotation methods. Moreover, this has been achieved without the need to raise the feed rate of the plant, while the volume of tailings directed to the dam has also been reduced by 1.5 Mtpa.


Production:

CommodityUnits2023202220212020201920182017
Iron Ore M wmt 22-24 ^222324233.417
All production numbers are expressed as pellets. ^ Guidance / Forecast.

Operational Metrics:

Metrics20192015
Annual production capacity 26.5 M wmt of iron ore concentrate
Stripping / waste ratio 0.4
Plant annual capacity 55 M wmt

Reserves at December 31, 2022:
Ore Reserves and Mineral Resources are reported above a cut-off of 25.0 %Fe.

CategoryTonnage CommodityGrade
Proven & Probable 3,434 Mt Iron 33.1 %
Measured & Indicated 1,890 Mt Iron 32.2 %
Inferred 577.8 Mt Iron 33.6 %

Commodity Production Costs:

CommodityUnits202320222021202020192017
Cash costs Iron Ore USD 32 / wmt ^   35 / wmt   24 / wmt   21 / wmt   21 / wmt   30 / wmt  
^ Guidance / Forecast.

Financials:

Units2022202120202019201820172016
Capital expenditures M USD 160  211  163  205   106   23   109  
Revenue M USD 2,954  4,146  3,074  2,313   328   1,405  
Earnings M USD 684  1,789  1,624  972   -532   413   4  
EBIT M USD 1,068  2,399  1,705  1,034   -411   335  
EBITDA M USD 1,244  2,560  1,863  1,164   -272   435  


Pipelines and Water Supply
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Heavy Mobile Equipment:
HME TypeModelSizeQuantityRef. Date
Loader (FEL) 15 cu. m 4 May 30, 2015
Shovel 22 cu. m 2 May 30, 2015
Shovel 26 cu. m 1 May 30, 2015
Truck (haul) Komatsu 830E 230 t 32 Apr 19, 2023

Mine Management:

Job TitleNameProfileRef. Date
Director of Operations Evilmar José Fonseca LinkedIn Mar 30, 2023
General Maintenance Manager Julio Torres LinkedIn Mar 30, 2023
Health, Safety & Environment Manager Gustavo Sperandio de Sá LinkedIn Mar 30, 2023
Maintenance Manager Gustavo Oliveira Gomes LinkedIn Mar 30, 2023
Mine Operations Manager Juliano Alves dos Reis LinkedIn Mar 31, 2023
Mine Planning Manager Aurélio Garcia LinkedIn Mar 30, 2023
Mine Planning Manager Frederico Santana Castro LinkedIn Mar 30, 2023
Processing Manager Wellington R. Moreira LinkedIn Mar 31, 2023

Staff:

EmployeesYear
2,600 2022
2,600 2021
2,500 2020
3,000 2019
2,000 2018

Corporate Filings & Presentations:

DocumentYear
Other 2023
Integrated Report 2022
Sustainability Report 2022
Year-end Mineral Reserves 2022
Annual Report 2021
Other 2021
Other 2021
Year-end Mineral Reserves 2021
Annual Report 2020
Year-end Mineral Reserves 2020
Annual Report 2019
Year-end Mineral Reserves 2019
Annual Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Annual Report 2015
Corporate Presentation 2015
Corporate Presentation 2012

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