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Brazil
Paragominas Mine

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 Location:
48 km SW from Paragominas, Brazil

  Address:
Avenida Lameira Bittencourt, 123
Centro
Paragominas
Brazil
68625-140
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WebsiteWeb
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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
  • Bauxite
Mining Method
  • Surface miner
  • Strip mining (roll-over)
Production Start...
Mine Life41 years (as of Jan 1, 2018)
Paragominas is one of the world's largest bauxite mines.


Owners

Source: p. 166
CompanyInterestOwnership
Norsk Hydro ASA 100 % Indirect
Mineração Paragominas SA (operator) 100 % Direct

Contractors

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Deposit Type

  • Bauxite


Summary:

The Paragominas bauxite deposits are developed on a 10,000km2 plateau, situated 50 m to 150 m above the drainage-incised valley floors. The average altitude does not exceed 150 m in the plateaus. The Miltônia 3 (M3) and Miltônia 5 (M5) gibbsitic bauxite deposits have formed by deep tropical weathering of the Ipixuna Formation. The bauxite layer forms a nearly continuous tabular body, less than 5 m thick, but extending 20km north–south, and as much as 8km east–west, beneath the plateau surface. Prolonged weathering and oxidation of aluminum-rich sediments allowed the formation of gibbsite, an aluminum hydroxide, which can occur in a microcrystalline, porcelain-like form (amorphous bauxite), or as fine-grained euhedral crystals that occasionally reach 1 mm in size. Minerals within the deposit display either ‘detrital’ or ‘secondary’ character. Minerals that are ‘detrital’ were originally deposited as part of the host water-borne sediment (e.g., quartz and anastase); those that are ‘secondary’ are weathering products of kaolinite and feldspar. The geological profile of the Miltônia deposit has eight horizons, with lateral variation in thickness to characterize the following lenticular horizons: Clay Overburden (CAP), Nodular Bauxite (BN), Crystallized Nodular Bauxite (BNC), Ferruginous Laterite (LF), Crystallized Bauxite (BC), Crystallized/Amorphous Bauxite (BCBA), Amorphous Bauxite (BA), and Variegated Clay rocks of the District pertain to the Itapecuru Group (south and c ........


Mining Methods

  • Surface miner
  • Strip mining (roll-over)


Summary:

Bauxite from Paragominas is mined using strip mining technology. It is sorted and crushed for transportation as a slurry through a 240-kilometer-long pipeline, then refined into alumina at Alunorte.

Hydro’s only operated mine, the Paragominas bauxite mine, is located in the state of Pará in northern Brazil. It requires the removal of vegetation, topsoil and overburden to extract bauxite deposits from 8 to 12 meters underground and disturbs relatively large areas.

Hydro uses strip mining in Paragominas, a technique that avoids the formation of an overburden stockpile. Thus, all overburden moved for mining purpose is used to reconstruct the topography of the strip previously mined, prior to rehabilitation of the mined areas. Part of the overburden (laterite) is also used for paving roads and for raising the heights of existing tailing dams and constructing new ones.

The mining operation has two major conditions to consider: a high stripping ratio (7.6 in volume) and a high rainfall, thus it is necessary to have a mining system that minimizes the cost of waste stripping and aids selectivity.

The main objective to introduction of surface miner (SM2500 Wirtgen) in the Paragominas bauxite Mine is to reduce operating costs and investments, replacing the equipment of current mining system (CAT D11 dozers in scarification process and recovery the pit, CAT 365CL excavator in ore loading and CAT 160M in the square after scarifi cation) with a ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits2021202020192018201720162015
Bauxite kwmt  ......  Subscription required  ......  Subscription required  ......  Subscription required6,21411,43511,13210,060
All production numbers are expressed as ore.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Waste  ......  Subscription required  ......  Subscription required45 Mt48 Mt83 Mt83 Mt
Annual production capacity  ......  Subscription required  ......  Subscription required9.9 Mt of bauxite ore9.9 Mt of bauxite ore
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Reserves at December 31, 2009:

CategoryTonnage CommodityGrade
Proven 230.5 Mt Al2O3 48.5 %
Probable 58.2 Mt Al2O3 49.3 %
Proven & Probable 288.7 Mt Al2O3 48.7 %

Financials:

Units202120202019201820172016
Revenue M NOK  ......  Subscription required  ......  Subscription required  ......  Subscription required 2,011   3,022   2,907  
Pre-tax Income M NOK  ......  Subscription required  ......  Subscription required  ......  Subscription required 215   755  
Earnings M NOK  ......  Subscription required  ......  Subscription required  ......  Subscription required 810   996  
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Pipelines
Source: Subscription required


Heavy Mobile Equipment as of October 18, 2016:
HME TypeModel
Dozer (crawler) ....................... Subscription required
Truck (haul) ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 11, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015
Subscription required Subscription required Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Corporate Presentation 2018
Annual Report 2017
Annual Report 2016
Other 2016
Annual Report 2015
Annual Report 2014
Corporate Presentation 2012
Other 2012
Other 2012
Other 2010
Other 2008
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