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Burkina Faso
Kiaka Project

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 Location:
109 mk SE from Ouagadougou, Burkina Faso

  Project Contacts:
Secteur 27, Quartier Ouayalghin, Parcelle 07, Lot 22, Section Sl
Ouagadougou
Burkina Faso
06 BP 10772
Phone  ...  Subscription required
EmailEmail
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
Commodities
  • Gold
Production Start...
Mine Life18.5 years (as of Jan 1, 2022)
Early works construction, design and planning are underway at Kiaka, including camp, access and clearance roads, site security infrastructure and award and order of project mills.
Latest NewsMetso Outotec confirms Premier grinding mill order for West African’s Kiaka gold project     December 16, 2022


Owners

Source: p. 3
CompanyInterestOwnership
Government of Burkina Faso 10 % Indirect
West African Resources Ltd. 90 % Indirect
Kiaka is situated within a granted mining permit covering an area of 54km² that is 100%-owned by Kiaka SA, a company incorporated in Burkina Faso. WAF owns 90% of the share capital of Kiaka SA with the Government of Burkina Faso owning the other 10%.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Sedimentary - Volcanogenic


Summary:

The project is located at the intersection of the Tenkodogo belt and the Markoye Fault Zone within Lower Proterozoic rocks of the Birimian Orogeny. Amphibole-rich mafic volcanic rocks are predominant in the lower (southern) portion of the deposit area, overlain by a sequence of clastic sediments. Several quartz-feldspar porphyritic sills intrude through the sequence at the northern end, the most significant of which is 90m thick, interpreted to be an important rheological barrier to gold mineralisation. At least two generations of postmineralisation mafic intrusions occur: steeply dipping, medium to coarse grained diorite dykes up to 80m wide, and fine grained dolerite dykes 2-3m wide, with well defined, sharp contacts. Structural patterns are the product of protracted northwest-southeast directed shortening, producing a major F2 antiform several hundred meters wide, that is thought to be a primary control on localisation of gold mineralisation, evidenced by steep northeasterly plunging mineralisation zones.

Gold mineralisation at Kiaka occurs within the subvertical southwest dipping Kiaka Shear Zone (KSZ), comprising an anastomosing network of ductile to brittle-ductile shears, localised along the axial surface of the Kiaka antiform. The KSZ ranges from 100-260m, with a strike length of approximately 2.3km. Gold mineralisation exhibits both disseminated and vein-related characteristics, and is spatially associated with fine grained disseminated pyrrhotite, lesser ........


Mining Methods


Summary:

The Kiaka Gold Project is comprised of the Kiaka Main and Kiaka South deposits, with over 98% of the Ore Reserve contained in the Kiaka Main deposit.

The main ore zone is characterised by a mineralised corridor 100m to 260m wide and has a drill defined strike length of approximately 1.5km. Within this are higher grade lenses ranging between 5m and 50m wide, with good continuity for 100m to 800m along strike and 50m to >400m downdip. These lenses are hosted within a lower grade halo mineralisation within the mineralised structural corridor. The mineralised corridor is flanked by a number of sub-parallel mineralised structures some 2m to 20m wide.

The main portion of the ore body is amenable to exploitation by open pit mining methods. As such the mining study has been based on conventional open pit mining methods with run of mine ore being directly fed to the crushing circuit. This study has been based on having a contractor to execute the mining operations utilising a combination of Caterpillar 6015 (140t class) and 6020 (230t class) hydraulic excavators matched to Caterpillar 777 (95t class) dump trucks. Drill and blast will be required from near surface. Drill and blast parameters have been selected based on the relatively hard rock mass qualities and the required selectivity for the mining of the ore. Given the broad mineralised zone a portion of the blasting will be able to be undertaken on 10m benches with more selective zones blasted on 5m benches ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 2194,059
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual processing capacity  ......  Subscription required
Annual mining rate  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2022 study.
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Reserves at June 3, 2022:
An Ore Reserves cutoff grade of 0.4g/t Au was used.
A Mineral Resource Estimate cutoff grade of 0.4g/t Au was used.

CategoryTonnage CommodityGradeContained Metal
Probable 154.7 Mt Gold 0.9 g/t 4,510 koz
Proven & Probable 154.7 Mt Gold 0.9 g/t 4,510 koz
Indicated 211.5 Mt Gold 0.9 g/t 5.93 M oz
Inferred 67.7 Mt Gold 0.8 g/t 1.8 M oz
Total Resource 279.2 Mt Gold 0.9 g/t 7.73 M oz

Commodity Production Costs:

CommodityUnitsAverage
All-in sustaining costs (AISC) Gold USD  ......  Subscription required&nbs
Assumed price Gold USD  ......  Subscription required&nbs
* According to 2022 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2022
OP mining costs ($/t milled) USD 8 *
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

2022 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 2,036
Refining costs $M USD  ......  Subscription required
G&A costs $M USD 381
Royalty payments $M USD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 5% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of August 3, 2022:
HME TypeModelSizeQuantityLeased or
Contractor
Backhoe ....................... Subscription required 140 t ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 18, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 18, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Corporate Presentation 2022
Corporate Presentation 2022
Feasibility Study Report 2022
Subscription required - Subscription is required.

News:

NewsDate
Metso Outotec confirms Premier grinding mill order for West African’s Kiaka gold project December 16, 2022
West African secures Lycopodium and Metso Outotec mills for Kiaka gold project December 5, 2022

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