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Burkina Faso
Essakane Mine (Essakane (CIL, HL) Project)

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 Location:
33 km SE from Gorom-Gorom, Burkina Faso

  Regional Office:
Sector 13, street 13.16, door 72
09 P.O.Box 11
Ouagadougou
Burkina Faso
09
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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
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2027
The IAMGOLD completed a study to assess the viability of the Essakane heap leach project. The test results suggested that stockpiled ore can be processed through the CIL circuit economically and as a result the IAMGOLD will not be pursuing the heap leach project. The IAMGOLD is planning to include the results of the study in an updated NI 43-101 compliant technical report that will be filed in the first half of the year.


Owners

Source: p. 11,18,114
CompanyInterestOwnership
Government of Burkina Faso 10 % Indirect
IAMGOLD Corp. 90 % Indirect
Essakane S.A. (operator) 100 % Direct
IamGold owns 90% of the outstanding shares of IMG Essakane, while the Government of Burkina Faso has a 10% free-carried interest in the outstanding shares of IMG Essakane. IMG Essakane means IamGold Essakane S.A., the Company’s 90% subsidiary, established under the laws of Burkina Faso.

Contractors

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Deposit Type

  • Breccia pipe / Stockwork
  • Orogenic
  • Vein / narrow vein
  • Hydrothermal


Summary:

Essakane is situated in the Paleoproterozoic Oudalan-Gorouol greenstone belt in northeast Burkina Faso. The local stratigraphy can be subdivided into a succession of lower-greenschist facies meta- sediments (argillites, arenites and volcaniclastics), conglomerate and subordinate felsic volcanics, and an overlying Tarkwaian-like succession comprised of siliciclastic meta-sediments and conglomerate. Each succession contains intercalated mafic intrusive units that collectively comprise up to 40% of the total stratigraphic section. The region preserves evidence for at least two regional deformational events. D1 structural elements such as the Essakane host anticline are refolded by a series of North-Northeast-trending F2 folds. Later localized deformation occurs near the margin of a calc-alkaline batholith in the south of Essakane. The Markoye fault trends North-Northeast through the western portion of Essakane and separates the Paleoproterozoic rocks from an older granite-gneiss terrane to the west. The Korizéna prospect is situated approximately 10 kilometres west of the Essakane deposit and is the southern continuity of the Gossey deposit. Both have similar geology. The geology of the Gossey deposit includes sequences of detrital sedimentary rocks (quartz-arenites, quartz- feldspathic sandstones, fine to microconglomeratic lithic sandstones with polygenic clasts, lithic sandstones with pelitic fragments, greywackes, argillites/ graphitic siltstones) interbedded with igneous ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining is carried out using a conventional drill, blast, load, and haul surface mining method with an owner fleet. The mining plans are limited to the Essakane main pit and its Gorouol satellite pit.

The Falagountou, Wafaka, EMZ North satellite pits that provided additional ore and operational flexibility are currently mined out. The North satellite pit is currently being used as a reservoir while the Wafaka and Falagountou pits are currently undergoing final closure studies.

Various ore stockpiles, sorted per type (saprolite, transition, or fresh rock) and grade (marginal, low, and high grade), are located to the west of the main pit, just north of the primary crusher. Water runoff from the ore stockpiles and WRDs is collected in ditches and diverted to catchment basins where the runoff is pumped to one of the bulk water storage reservoirs near the TSF. Other mining infrastructure includes a mine office complex (mine offices, change houses, and canteens), an equipment workshop with overhead cranes integrated with the main warehouse, external wash bays, a blasting and explosives compound, including magazines, a diesel storage and dispensing facility, and a drill core storage facility.


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2023202220212020201920182017
Gold koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required450432
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Annual processing capacity  ......  Subscription required  ......  Subscription required11.7 Mt10.8 Mt10.8 Mt
Stripping / waste ratio  ......  Subscription required  ......  Subscription required2.5 2.2 2.7 3
Ore tonnes mined  ......  Subscription required  ......  Subscription required15,762 kt17,702 kt13,866 kt11,811 kt
Waste  ......  Subscription required  ......  Subscription required39,479 kt38,605 kt36,825 kt35,697 kt
Total tonnes mined  ......  Subscription required  ......  Subscription required55,241 kt56,307 kt50,691 kt47,508 kt
Tonnes milled  ......  Subscription required  ......  Subscription required12,439 kt13,373 kt13,031 kt13,891 kt
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Reserves at December 31, 2022:
Essakane Mineral Reserves have been estimated using a $1300/oz gold price and Mineral Resources have been estimated using a $1500/oz gold price.

CategoryTonnage CommodityGradeContained Metal
Proven 21,413 kt Gold 0.7 g/t 464 koz
Probable 31,858 kt Gold 1.6 g/t 1,597 koz
Proven & Probable 53,270 kt Gold 1.2 g/t 2,061 koz
Measured 34,282 kt Gold 0.6 g/t 607 koz
Indicated 52,945 kt Gold 1.3 g/t 2,247 koz
Inferred 2,318 kt Gold 1.4 g/t 107 koz

Commodity Production Costs:

CommodityUnits202220212020201920182017
Cash costs Gold USD  ......  Subscription required  ......  Subscription required 663 / oz†   686 / oz†  
Total cash costs (sold) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Total cash costs Gold USD  ......  Subscription required  ......  Subscription required 718 / oz†   738 / oz†  
All-in sustaining costs (sold) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,002 / oz†   957 / oz†  
† Net of By-Product.
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Financials:

Units2023202220212020201920182017
Capital expenditures (planned) M USD  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 102.5   68.3  
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 158.2   82.4  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 564.1   547.4  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 84   74.7  
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Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of January 31, 2020:
HME TypeModelQuantity
Bulldozer ....................... Subscription required ....................... Subscription required
Bulldozer ....................... Subscription required ....................... Subscription required
Dozer (rubber tire) ....................... Subscription required ....................... Subscription required
Dozer (rubber tire) ....................... Subscription required ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Drill (blasthole) ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2023
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2023
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Staff:

EmployeesYear
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Annual Information Form 2022
Corporate Presentation 2022
Financial Review 2022
Management Discussion & Analysis 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2018
Pre-Feasibility Study Report 2018
Press Release 2018
Press Release 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Management Discussion & Analysis 2017
Fact Sheet 2016
Management Discussion & Analysis 2016
Technical Report 2016
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