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Mali
Tabakoto Mine

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 Location:
11 km N from Kenieba, Mali

  Address:
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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 & Underground
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
  • Longhole stoping
  • Cemented backfill
Production Start...
Mine Life4 years (as of Jan 1, 2018)
On December 24, 2018 80% interest in the Tabakoto Mine was purchased by BCM International Ltd ("BCM").
Production reports have not been publicly available since then.


Owners

Source: p. 20
CompanyInterestOwnership
Government of Mali 20 % Indirect
Nguvu Holdings Ltd. 80 % Indirect
Ségala Mining Corporation S.A. 100 % Direct
On December 24, 2018, Endeavour Mining completed the sale of its interest in the non-core Tabakoto mine to Algom Resources Limited, a subsidiary of BCM International Ltd ("BCM"), as previously announced on September 4, 2018.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Orogenic


Summary:

The gold deposits of the Tabakoto project are dominantly hosted in the Birimian, turbiditic sedimentary rocks of the Kofi Formation. These rocks have been intruded by multiple generations of dikes and sills ranging from felsic to mafic composition. The entire package of rocks have been deformed and metamorphosed during the Eburnean orogeny. While individual structures associated each of the deformational events can host mineable deposits, multiple generations of structure enhances the probability of mineable ore.

The deposits can be further divided into three broad types as follows:
- Shear Zone hosted (Ségala and Ségala NW);
- Fracture and cross structure hosted (Dar Salam, Tabakoto, Dioulafoundou and Kofi C), and;
- Intrusive hosted (Djambaye II).

SHEAR ZONE HOSTED DEPOSITS

The Ségala and Ségala NW deposits are considered to be part of a structurally controlled alteration and mineralization system that is hosted by the core of an isoclinal anticline whose axial trace trends ESE (approx. 110°) and dips steeply to the south at approximately -80°. The anticline is made up of somewhat deformed and altered meta-sediments (greywacke and argillite) that display variable intensities of alteration of chlorite, carbonate, sericite, sulphide and silica. A series of quartz stringers and veins intrude this package.

BRITTLE FRACTURE ZONE HOSTED DEPOSITS

At the Dar Salam, Tabakoto and Dioulafoundou and Kofi C Deposits, ........


Mining Methods

  • Truck & Shovel / Loader
  • Longhole stoping
  • Cemented backfill


Summary:

Tabakoto mine operations currently consist of two underground operations (Tabakoto and Ségala) and open pit (Kofi C) with gravity/CIL processing facilities. During 2015, mining operations at Tabakoto concentrated on the Kofi C open-pit, Tabakoto and Ségala underground from which a total of 10.66Mt of material were mined to deliver 1.37Mt of ore at an average grade of 3.34g/t Au containing 147,500oz to the ROM pad.

The Tabakoto and Ségala underground mines constitute the majority of the ore production at Tabakoto and open pit mining is now essentially used to augment the underground as mill feed.

The Ségala Deposit consists of the Ségala Main and the Ségala North West zones. Open pit mining has taken place at both of these deposits previously. Production is currently planned from underground mining of the Ségala Main zone only. This zone consists of several parallel mineralized structures which run along the length of the ore body and contains the bulk of the currently defined mineralization. The spacing and the thickness of these structures vary. Individual veins, which can be less than a metre thick, are grouped into ore zones which can collectively be up to 25m thick.

The Tabakoto Deposit is accessed from the bottom of an open pit where mining was previously conducted. Underground mine access uses a northern portal to exploit the northwest-trending (“NW”) zones and a southern portal for both the northeast-trending (“NE”) zones and the South ........


Crushing and Grinding
Flow Sheet: Source


Processing

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Summary:

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Production:

CommodityUnits20182017201620152014
Gold oz 115,240143,995162,817151,067127,323
All production numbers are expressed as metal in doré.
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Operational Metrics:

Metrics20182017201620152014
Total tonnes mined 5,352 kt7,397 kt8,399 kt10,658 kt
Ore tonnes mined 1,173 kt1,403 kt1,593 kt1,371 kt1,445 kt
Waste 3,996 kt5,753 kt6,449 kt8,787 kt
Tonnes milled 1,714 kt1,640 kt1,588 kt1,588 kt1,485 kt
Stripping / waste ratio 6.98 8.89 9.94 17.2
Daily processing capacity 4,000 t4,000 t4,000 t
Annual processing rate 1.4 Mt1.4 Mt

Reserves at December 31, 2017:

CategoryTonnage CommodityGradeContained Metal
Proven 2.4 Mt Gold 3.32 g/t 251 koz
Probable 2.4 Mt Gold 3.4 g/t 266 koz
Proven & Probable 8.9 Mt Gold 3.36 g/t 517 koz
Measured 7.4 Mt Gold 2.99 g/t 715 koz
Indicated 12.4 Mt Gold 3.03 g/t 1,211 koz
Measured & Indicated 19.9 Mt Gold 3.01 g/t 1,925 koz
Inferred 7.4 Mt Gold 3.4 g/t 810 koz

Commodity Production Costs:

CommodityUnits2018201720162015
Cash costs (sold) Gold USD 1,055 / oz   929 / oz   821 / oz   846 / oz  
All-in sustaining costs (sold) Gold USD 1,369 / oz   1,148 / oz   1,027 / oz   1,067 / oz  

Operating Costs:

Units2018201720162015
OP mining costs ($/t mined) USD 3.73.463.62.79
UG mining costs ($/t mined) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Financials:

Units201820172016
Sustaining costs M USD 20.8   21.2  
Revenue M USD 142.8   181.4   200.4  
Operating Income M USD -24.3   -12.7   27.3  
After-tax Income M USD -174   6.8  



Heavy Mobile Equipment as of December 31, 2015:
HME TypeModelQuantity
Dozer ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Truck (dump) ....................... 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 Jan 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Jan 31, 2023
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Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2018
Management Discussion & Analysis 2018
Press Release 2018
Press Release 2018
Annual Report 2017
Corporate Presentation 2017
Corporate Presentation 2017
Annual Report 2016
Management Discussion & Analysis 2015
Other 2015
Technical Report 2015
Annual Report 2014
Technical Report 2013
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