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Guinea
Kiniero Project

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 Location:
5 km NW from Kiniéro, Guinea

  Project Contacts:
Édifice Le Delta 1 2875, boulevard Laurier, bureau 1000
Québec
Quebec, Canada
G1V 2M2
Phone  ...  Subscription required
Fax+1-(581)-742-7241
EmailEmail
WebsiteWeb
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  • Overview
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Overview

StagePre-Feasibility
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Mine Life6.5 years (as of Jan 1, 2022)
Kiniero Gold Mine is a open-pit operations at Kiniero, targeting a series of 5 deposits (the Sector Gobele A “SGA” Complex, Sabali, Mansounia Central, Jean and West Balan) for a total of 13 ore bodies that will feed a central gold processing facility.
Latest NewsCORRECTION -- Robex Announces the Signing of the US$ 35 Million Bridge Facility With Taurus     March 21, 2023


Owners

Source: p. 74
CompanyInterestOwnership
Government of Guinea 15 % Indirect
Robex Resources Inc. 85 % Indirect
Ownership Tree

Contractors

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Deposit Type

  • Vein / narrow vein


Summary:

In the West African Craton, most of the gold mineralisation is shear-zone-hosted with the principal control being structural and with lithology having a minor, local influence. The mineralisation developed in the Kiniero Gold District conforms to this general style of mineralisation, with known deposits being hosted in shear zones, with some regional dimensions.

Generally, vein-hosted lode type mineralisation of the Birimian-style is associated with regionally metamorphosed terrains that have undergone considerable deformation and polyphase intrusive events. Typically, Birimian deposits are invariably strongly structurally controlled, but are also commonly associated with rheological contrasts within and between different lithologies. Recent drilling at both the SGA and Sabali South deposits has indicated the lithostratigraphy as being key to how the differing lithologies support structural preparation at a local scale.

The gold mineralisation is typically late-orogenic, medium grade lodes which are strongly structurally controlled and located within quartz veins or in quartz-veined fracture zones with nter-mineralisation intrusive. Structures can be classified from their textural development as to whether their origins are proximal or deep seated.

The previous Kiniero Project mineralisation vein-lode model considered the deposits to be volcanogenic in origin and to have formed at a sub-marine effusive centre associated with basaltic lava extr ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Kiniero Gold Project deposits are suitable to conventional open pit mining methods including drilling, blasting, trucks and shovels in order to supply ore to the 3 Mtpa processing plant. Benches of 5m will be blasted where required and excavated in 2.5m flitches in order to avoid, as much as practical, ore loss and dilution during the mining process.

All mining services will be contracted out, including:
• RC drilling for grade control and drill and blast;
• “down the hole” blasting services, which will include both the delivery of bulk explosives “down the hole” and the supply of blasting accessories;
• load and haul services from the pits to the stockpiles;
• rehandling from the stockpiles to the ROM.

Blasting
Blasting will be undertaken using industry standard storage, transport and charging practices for a modern mining operation, subject to all local and national statutory and regulatory requirements. Production drilling and blasting operations will be carried out at 5m benches. Each 5m bench is then excavated in 2.5m flitches to ensure maximum selectivity.

The supply of explosives and blasting accessories will be contracted out directly to an approved explosives supplier. The explosives contractor will provide, in addition to the supply of primary explosives and blasting accessories, mixing equipment and technical blasting advice when required.

An integrated multi-pit mining schedule was developed ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 110712
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 ore mining rate  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

Reserves at August 26, 2022:
A marginal grade cut-off was applied to the Mineral Resource models within the shells which took cognisance of the marginal operating costs for each deposit, by material type.

The marginal stockpile cut-off grade of 0.26g/t Au was used. Only stockpiles above this cut-off were classified as Mineral Resources with no selectivity applied.

CategoryOreTypeTonnage CommodityGradeContained Metal
Probable Stockpiles 813 kt Gold 0.74 g/t 19 koz
Probable In-Situ (OP) 17,768 kt Gold 1.37 g/t 784 koz
Probable Total 18,582 kt Gold 1.34 g/t 803 koz
Indicated Stockpiles 6.67 Mt Gold 0.34 g/t 71,800 oz
Indicated In-Situ (OP) 33.66 Mt Gold 1.18 g/t 1,280,000 oz
Inferred In-Situ (OP) 37.2 Mt Gold 1.24 g/t 1,400,000 oz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold USD  ......  Subscription required&nbs
Total cash costs Gold USD  ......  Subscription required&nbs
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 ($/t mined) USD 2.7 *
OP mining costs ($/t milled) USD  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

2022 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
Processing OpEx $M USD 276
G&A costs $M USD 84
Total OpEx $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
EBITDA (LOM) $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.

Water Supply

Water for operations is to be sourced from existing raw water catchment dam (rainwater runoff collection), dewatering of historical pits; and boreholes.

Potable water
Potable water will be required for the mine site and both accommodation camps during operations and construction. Currently the Main Camp has borehole water supply available and at the Staff Camp water will be obtained from the Niandan River. Allowance has been made for the procurement and installation of three 4,000 gallon per day industrial Reverse Osmosis (RO) units, i.e. one for each camp and one for the mine site. The units are commercial off-the-shelf designs and will be connected to existing potable water storage and distribution infrastructure. The RO units for the camps will be supplied from existing boreholes at each camp while the site RO system will be fed from the raw water system.

Process Plant
Water Balance and Dams The water balance was developed based on the design inputs received from plant, mining and TSF design and have been based on the following assumptions:
• dry months have been classified as all months receiving 100mm rainfall per month
• excess storage capacity in unused pits and raw water dam have been capped at 300,000m³
• precipitation is based on average rainfall years and does not allow for flood events
• water quality data indicates that the water from the pits and raw water dam complies with WHO guidelines for environmental release
• water release to environment is to be minimised

Site internal roads consist of new TSF access and ring road for pipeline inspections and return water pump station access approximately 8km long.


Heavy Mobile Equipment as of August 26, 2022:
HME TypeModelSizeQuantityStatus
Crane ....................... Subscription required 80 t ....................... Subscription required Existing
Crane ....................... Subscription required 150 t ....................... Subscription required Existing
Dozer ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Dozer (crawler) ....................... Subscription required ....................... Subscription required Existing
Drill ....................... Subscription required 130 mm ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Grader ....................... Subscription required 4.32 m blade width ....................... Subscription required Existing
Loader ....................... Subscription required ....................... Subscription required Existing
Loader ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (dump) ....................... Subscription required 55 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (service) ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 9, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 9, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Pre-Feasibility Study Report 2022
Press Release 2022
Press Release 2022
Subscription required - Subscription is required.

News:

NewsDate
CORRECTION -- Robex Announces the Signing of the US$ 35 Million Bridge Facility With Taurus March 21, 2023

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