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Senegal
Sabodala-Massawa expansion Project (Sabodala-Massawa)

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 Location:
70 km N from Kedougou, Senegal

  Project Contacts:
Hotel Palm Club Croisement Boulevard Latrille et rue du Lycée Technique
Abidjan
Cote d'Ivoire
08 BP 872
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageConstruction
Mine TypeOpen Pit & Underground
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
  • Cut & Fill
  • Backfill
Production Start...
Mine Life16.5 years (as of Jan 1, 2020)
Construction of the Sabodala-Massawa expansion project was launched in April 2022 and remains on budget and on schedule for completion in H1-2024. The project will add a 1.2Mtpa BIOX® plant, designed to process the high-grade refractory ore from the Massawa deposits. The project is expected to yield incremental production of 1.35Moz at a low AISC of $576 per ounce over its initial life, lifting Sabodala-Massawa to top tier status.


Owners

Source: p. 4
CompanyInterestOwnership
Government of Senegal 10 % Indirect
Endeavour Mining plc 90 % Indirect
March 4, 2020 - Teranga Gold Corporation has completed the previously announced acquisition of a 90% interest in the Massawa Gold Project (“Massawa”) from a wholly-owned subsidiary of Barrick Gold Corporation and its joint venture partner, Compagnie Sénégalaise de Transports Transatlantiques Afrique de l’Ouest SA (“CSTTAO”) with the Government of Senegal holding the remaining 10% interest in Massawa (the “Transaction”).

On February 10, 2021, Endeavour completed the acquisition of Teranga Gold Corporation (“Teranga”), a TSX-listed gold company which owned the Sabodala-Massawa and Wahgnion mines, as well as certain development and exploration assets.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Volcanic hosted
  • Footwall hosted
  • Orogenic


Summary:

The Sabodala-Massawa Project occurs in the West African (Birimian) Paleoproterozoic metallogenic province. The metallogenic district is associated with Paleoproterozoic epigenetic gold deposits which occur in 2.25 Ga to 1.90 Ga granite-greenstone belts of the Birimian and Tarkwaian cycles, which were deformed and metamorphosed during the Paleoproterozoic Eburnean orogeny adjacent to the Archean Sao Luis Craton in Guinea, Sierra Leone, and Liberia.

Gold deposits in the West African metallogenic district, including those on the Sabodala-Massawa Project and the company's adjacent exploration permits, show many characteristics consistent with their classification as orogenic (mesothermal) gold deposits and prospects.

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. Greenschist metamorphic 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 often semi-brittle in style, including both brittle veining styles (extension veins and fault hosted br ........


Mining Methods

  • Truck & Shovel / Loader
  • Cut & Fill
  • Backfill


Summary:

During H1 2020, mining at Sabodala pit, Golouma, Maki Medina, Goumbati West/Kobokoto was on going. In addition, during the first half of 2020, development activities began at the Massawa Mining License for mining to start in Q3 2020 at Sofia pits. The development work includes continuing the haul road from Golouma pit area towards Sofia deposits, as well as infrastructure around the pit areas. Production will then continue into the following year and beyond as indicated in the overall LOM plan.

The selective mining practice and stockpiling strategy at the Sabodala mine since start-up has released ore at a faster rate than milling capacity. This has resulted in a large build-up of low grade stockpiled ore on the ROM pad, planned to be fed to the Sabodala processing plant at the end of mine life.

The mining method utilized is conventional truck and shovel open pit mining. The mining operation is effective at selectively separating ore from waste, and in separating the four ore categories that are stockpiled if not immediately milled. These are, namely, high grade, medium grade, low grade, and marginal.

Additional higher grade stockpile bins are utilized at times where mining areas are at a higher grade than the average LOM grade and would be the case at several Massawa Mining License deposits such as Central Zone and North Zone.

Underground Cut and Fill (C&F) mining was selected for use at the underground Golouma deposits, including G ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Projected Production:

CommodityUnitsLOM
Gold M oz 4.3
All production numbers are expressed as payable metal.

Operational Metrics:

Metrics
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Tonnes milled, LOM  ......  Subscription required
* According to 2020 study.
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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: 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:

CommodityUnitsAverage
All-in sustaining costs (AISC) Gold USD  ......  Subscription required&nbs
Assumed price Gold USD  ......  Subscription required&nbs
* According to 2020 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2020
OP mining costs ($/t mined) USD 2.6 *
UG mining costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
* According to 2020 study.
Subscription required - Subscription is required.

Financials:

Units2021
Capital expenditures (planned) M USD  ......  Subscription required
Subscription required - Subscription is required

2020 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Closure costs $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
UG OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 943
G&A costs $M USD 304
Total OpEx $M USD  ......  Subscription required
Total Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
Subscription required - Subscription is required.


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
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 21, 2020
....................... Subscription required ....................... Subscription required Subscription required Aug 21, 2020
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2021

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Other 2018
Annual Report 2017
Subscription required - Subscription is required.

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