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Guinea
Simandou South (blocks 3 and 4) Project

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 Location:
526 km SE from Conakry, Guinea

  Project Contacts:
Immeuble KanKan, Cite Chemin de Fer, BP 848
Conakry
Guinea
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life40 years (as of Jan 1, 2016)
The Simandou iron ore project in Guinea contains one of the world’s largest known undeveloped high-grade low-impurity iron ore deposits, demand for which is increasing as steelmakers look to reduce carbon emissions.

The Simandou site is divided into four mining blocks, broken up into two projects: Simandou North (blocks 1 and 2) and Simandou South (blocks 3 and 4). The two northern blocks (blocks 1 and 2) are owned by SMB-Winning Consortium.

Rio Tinto and its Simfer joint venture (JV) partners have determined key agreements with the Republic of Guinea and Winning Consortium Simandou (WCS) on the trans-Guinean infrastructure for the Simandou project.
Latest NewsRio Tinto: Simandou project reaches key milestone     August 14, 2023


Owners

Source: p. 35,300
CompanyInterestOwnership
Government of Guinea 15 % Indirect
Chinalco Mining Corporation International 39.95 % Indirect
Rio Tinto plc 45.05 % Indirect
Simfer S.A., (operator) 100 % Direct
The Simandou project operates under the Simfer joint venture where the Government of Guinea holds 15% and Simfer Jersey holds 85%. Simfer Jersey is owned by Chalco Iron Ore Holdings (CIOH) (47%) and Rio Tinto (53%). Rio Tinto and CIOH, own 45.05% and 39.95% of Simandou, respectively.

Contractors

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Deposit Type

  • Banded iron formation


Summary:

The Pic de Fon and Ouéléba iron deposits comprise the Simandou South project.

The Ouéléba and Pic de Fon supergene-enriched itabirite iron ore deposits are located in the southern part of the Simandou Range in south-eastern Guinea. The Simandou Range is part of the Kénéma-Man Domain of the West African Craton. The deposits are hosted within the Simandou Group with the Itabirite Formation overlying the Phyllites and Schist Formations. The deposits have undergone intense multi-phase deformation and are deeply weathered.

The Simandou Range is the result of multi-phase ductile deformation represented by tight synformal fold keels and sheared antiformal structures. The ridge consists of a formation of itabirites (metamorphosed BIF) and phyllites within the Simandou Group overlying basement gneiss and amphibolite. The itabirites and phyllites have been deeply weathered and identifying stratigraphy is difficult, with the only discernible contact being that between the itabirites and phyllites.

The following domains have been interpreted for the itabirites: laterite, carapace, transitional mineralisation, friable haematite goethite mineralisation, friable enriched itabirite, friable poor itabirite and compact poor itabirite.

Phyllite domains have been interpreted for very weak phyllite, soil strength phyllite, weak phyllite, compact pyritic phyllite, weak quartzite and compact quartzite.

Laterite and carapace are sub-horizontal ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The proposed mining operation will be open cut mining with a large annual tonnage (after initial production and ramp up). The proposed bench height is 12 m and this has been taken into account for the selection of the resource model block size.


Crushing and Grinding


Processing

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Summary:

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Projected Production:

CommodityUnitsAvg. Annual
Iron (hematite) Mt 100
All production numbers are expressed as ore.


Reserves at December 31, 2022:

CategoryTonnage CommodityGrade
Measured 419 Mt Iron Ore 66.8 %
Indicated 1,638 Mt Iron Ore 65.5 %
Measured & Indicated 2,057 Mt Iron Ore 65.8 %
Inferred 773 Mt Iron Ore 65.8 %
Total Resource 2,830 Mt Iron Ore 65.8 %

Commodity Production Costs:

CommodityUnitsAverage
Assumed price Iron Ore USD 60 / t *  
* According to 2016 study / presentation.

2016 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Total CapEx $M USD  ......  Subscription required
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 17, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
Year-end Mineral Reserves 2017
Other 2016
Other 2014
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News:

NewsDate
Rio Tinto: Simandou project reaches key milestone August 14, 2023

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