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Senegal
Sabodala-Massawa Mine (Sabodala-Massawa expansion Project)

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 Location:
68 km N from Kedougou, Senegal

  Regional Office:
Hotel Palm Club Croisement Boulevard Latrille et rue du Lycée Technique
Abidjan
Cote d'Ivoire
08 BP 872
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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 Life16.5 years (as of Jan 1, 2021)
Sabodala-Massawa is the largest producing gold mine in Senegal.

Endeavour Mining plc. is pleased to announce that it will soon launch the construction of its Sabodala Massawa expansion in Senegal.

The DFS recommends the expansion of the Sabodala-Massawa complex by supplementing the current 4.2Mtpa Carbon-in-leach plant with a 1.2Mtpa BIOX® plant to process the high-grade refractory ores from the Massawa Central Zone and Massawa North Zone deposits, with first gold production expected in early 2024.


Owners

Source: p. 4
CompanyInterestOwnership
Government of Senegal 10 % Indirect
Endeavour Mining plc 90 % Indirect
Sabodala Gold Operations S.A. (operator) 100 % Direct
Sabodala Gold Operations SA (SGO), 90% owned by Teranga Gold Corp. SGO is the operator of the Sabodala Mining Concession.
The Senegalese Government has a 10% free carried interest in SGO.

On February 10, 2021, Endeavour completed the acquisition of Teranga Gold Corporation. As a result of the Arrangement, Teranga has become a wholly-owned subsidiary of Endeavour.

Contractors

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Deposit Type

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


Summary:

Gold deposits in the West African metallogenic district, including those on the Sabodala Project and the company's adjacent exploration concessions, show many characteristics consistent with their classification as orogenic (mesothermal) gold deposits and prospects. In addition to the deposits in western Africa, these include some of the largest gold deposits globally of variable age, such as the Archean aged Hollinger and Red Lake deposits in Canada and Kalgoorlie in Australia. Orogenic gold systems are structurally controlled deposits formed during regional deformation (orogenic) events. The term orogenic refers to deposits sharing common origin in metamorphic belts that have undergone regional compressional to transpressional deformation (orogenesis), often in response to terrane accretion or continent-continent collisional events.

Orogenic gold deposits exhibit a range of styles dependent on metamorphic grade, setting, fluid type, and fluid/confining pressure. They often include spatially associated quartz shear veins, extension vein arrays, shear zone and disseminated sulphide styles. At greenschist grade, vein dominated styles such as those developed in the Sabodala district contain quartz-carbonate ± albite ± K-feldspar veins with up to 10% (pyrite ± arsenopyrite ± base metals) sulphides and associated Fe-carbonate albite, chlorite, scheelite, fuchsite and tourmaline as associated vein and hydrothermal alteration assemblages. Vein systems and shear zones are ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Sabodala open pit commenced production in March 2009 and has since been in operation.

At the Sabodala-Massawa complex the open pit mining method used is conventional drill and blast, truck and shovel and is conducted with Endeavour’s own fleet. The current fleet includes a total of 70 mobile mining equipment units.

The mine operates using 10-meter blast benches mined in 5-meter flitches for waste and two 2.5-meter flitches for ore. Open pit mining operations assume selective mining with respect to both weathering type, process route and grade categories. The current mining strategy assumes the selective mining of the higher-grade material to enable separate processing of the high-grade fresh refractory and non-refractory components.

All surface ore haulage and supply of explosives is outsourced to a specialist contractor. Grade control drilling is carried out by a combined owner and contractor drilling fleet.

The selected mining method is Cut and Fill for use at the underground deposits at Sabodala. Two deposits will be mined concurrently in order to meet the current mine life schedule, with each deposit scheduled at 500 tpd production, providing approximately 1,000 tpd combined peak underground ore production. Kerekounda and Golouma South will be mined first. Once they are exhausted, the Golouma West deposits will be mined.

The underground mine construction begins in year 2027, with ore production in 2028. The open ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits2022202120202019201820172016
Gold koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required245233217
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
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Operational Metrics:

Metrics202120202019201820172016
Total tonnes mined  ......  Subscription required37,268 kt37,486 kt35,644 kt
Ore tonnes mined  ......  Subscription required  ......  Subscription required2,909 kt1,921 kt2,101 kt2,132 kt
Waste  ......  Subscription required  ......  Subscription required30,977 kt35,347 kt35,385 kt33,512 kt
Stripping / waste ratio  ......  Subscription required  ......  Subscription required18.4 16.8 15.7
Tonnes processed  ......  Subscription required  ......  Subscription required4,161 kt4,069 kt4,221 kt4,025 kt
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Reserves at December 31, 2021:
Cut-off grades for the resources are as follows: open pit from 0.31g/t to 1.00g/t Au. Underground from 2.00g/t to 2.84g/t Au.

Cut-off grades for the reserves are as follows: oxide: Open Pit WOLP: oxide: 0.50/t Au to 0.60g/t Au; transitional: 0.60g/t Au to 0.80g/t Au; fresh: 0.60g/t Au to 0.70g/t Au. SLP: 1.20g/t Au; UG: 2.82g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 19.9 Mt Gold 1.36 g/t 866 koz
Probable 46.5 Mt Gold 2.39 g/t 3,574 koz
Proven & Probable 66.4 Mt Gold 2.08 g/t 4,440 koz
Measured 21.2 Mt Gold 1.32 g/t 900 koz
Indicated 88.9 Mt Gold 2.09 g/t 5,977 koz
Measured & Indicated 110.1 Mt Gold 1.94 g/t 6,877 koz
Inferred 24.3 Mt Gold 2.16 g/t 1,682 koz

Commodity Production Costs:

CommodityUnits2022202120202019201820172016
Total cash costs (sold) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 660 / oz   721 / oz   622 / oz  
All-in sustaining costs (sold) Gold USD  ......  Subscription required&nbs  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,006 / oz   1,024 / oz   929 / oz  
^ Guidance / Forecast.
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Operating Costs:

Units20212018201720162015
OP mining costs ($/t mined) USD 2.522.572.362.332.42
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
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Financials:

Units20222021201820172016
Capital expenditures (planned) M USD  ......  Subscription required
Sustaining costs M USD  ......  Subscription required 9.6   10.7   33  
Capital expenditures M USD  ......  Subscription required 18.8   19.3  
Revenue M USD  ......  Subscription required 312.6   291.7   268.8  
Operating Income M USD  ......  Subscription required
Gross profit M USD 82.1   69.6   87.3  
Pre-tax Income M USD 36.8   37   51.2  
After-tax Income M USD 13.5   34.5   27.9  
EBITDA M USD 111.9   95.3   99.2  
Operating Cash Flow M USD 92.1   71.4   44.7  
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Heavy Mobile Equipment as of August 21, 2020:
HME TypeModelQuantity
Dozer (crawler) ....................... Subscription required ....................... Subscription required
Dozer (rubber tire) ....................... Subscription required ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Drill (blasthole) ....................... Subscription required ....................... Subscription required
Drill (blasthole) ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (water) ....................... Subscription required ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 1, 2022
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Staff:

Total WorkforceYear
Subscription required 2021

Corporate Filings & Presentations:

DocumentYear
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Information Form 2018
Corporate Presentation 2018
Management Discussion & Analysis 2018
Press Release 2018
Press Release 2018
Management Discussion & Analysis 2017
Technical Report 2017
Annual Report 2016
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