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Mali
Yatela Mine

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 Location:
51 km SW from Kayes, Mali

  Regional Office:
NIARELA - RUE 376 PORTE 1230
Bamako
Mali
Phone  ...  Subscription required
Fax+223 20214767
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StatusClosing / Closed
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
On February 14, 2019, Sadiola Exploration Limited ("SADEX"), a subsidiary jointly held by the IAMGOLD and AngloGold Ashanti Ltd. (AGA), entered into a share purchase agreement with the Government of Mali, whereby SADEX agreed to sell to the Government of Mali its 80% participation in Société d’Exploitation des Mines d’Or de Yatela ("Yatela"), for a consideration of $1. As part of the transaction, and upon its completion, SADEX will make a onetime payment of approximately $37.0 million to the dedicated state account, corresponding to the estimated costs of completing the rehabilitation and closure of the Yatela mine, and also financing certain outstanding social programs. Upon completion and this payment being made, SADEX and its affiliated companies will be released of all obligations relating to the Yatela mine. The IAMGOLD continues to fund its proportionate share of expenditures for Yatela.


Owners

Source: p. 3,53
CompanyInterestOwnership
Government of Mali 20 % Indirect
IAMGOLD Corp. 40 % Indirect
AngloGold Ashanti Ltd. 40 % Indirect
Yatela is 80% owned by the Sadiola Exploration Company Limited, a joint venture between AngloGold Ashanti and IAMGOLD, giving each a 40% stake. The balance of 20% is owned by the Government of Mali.

On 14 February 2019, Sadiola Exploration Limited (SADEX), the subsidiary jointly held by AngloGold Ashanti Limited and IAMGOLD Corporation, entered into a share purchase agreement with the Government of Mali, whereby SADEX agreed to sell to the Government of Mali its 80% participation in Société d’Exploitation des Mines d’Or de Yatela (Yatela), for a consideration of USD1.

Contractors

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Deposit Type

  • Sedimentary


Summary:

The Yatela mine comprises the Yatela and Alamoutala deposits located in northwest Mali within the Keniéba-Kedougou Inlier, a major Paleoproterozoic- Birimian inlier along the northeast margin of the Kenema-Man shield. The Yatela deposit is located in the north of the inlier and is hosted in sedimentary rocks of the Kofi Formation, which have been intruded by numerous felsic to intermediate intrusives. The sedimentary rocks consist of fine-grained greywackes, pelites and impure limestones with minor tuffs and acid volcanics. The primary gold mineralisation is hosted along a sheared contact between predominantly dolomitic carbonate rocks of the Kofi Formation to the west and a dioritic intrusion to the east. The secondary mineralisation was concentrated to economic grades through dissolution of the carbonate and subsequent concentration of the gold by eluvial processes and supergene enrichment.

Karst development at Yatela has formed deep pot holes, collectively named the Yatela Basin, which were gradually filled by sandstones and conglomerates during peneplanation of the Proterozoic rocks. Chaotic collapse during karstification, coupled with the infill sediments resulted in the deposit being hosted in a melange-type of rocks made up of sedimentary rocks and dissolution residues. Gold is disseminated in the unconsolidated ferruginous, clastic layer with sandy-clayey matrix that lines the bottom and walls of a deep trough with steep margins. The karst margin dips steep ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Yatela is a mature open pit operation which has been operated by AngloGold Ashanti since 2000 and is now operating in closure mode with mining activities from the pits completed in September 2013.


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits20182017201620152014
Gold koz 57.5121825
All production numbers are expressed as payable metal.
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Operational Metrics:

Metrics20142013
Tonnes processed 2.3 Mt2.5 Mt

Reserves at December 31, 2013:

CategoryTonnage CommodityGradeContained Metal
Total Resource 0.35 Mt Gold 0.54 g/t 0.01 M oz



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 5, 2021
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Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2014
Subscription required Subscription required Subscription required 2013

Corporate Filings & Presentations:

DocumentYear
Annual Review 2022
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2018
Annual Report 2017
Annual Report 2017
Management Discussion & Analysis 2017
Management Discussion & Analysis 2016
Annual Report 2014
Year-end Mineral Reserves 2013
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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