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Cameroon
Minim Martap Project

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 Location:
92 km SW from Ngaoundere, Cameroon

  Project Contacts:
Y Building, Nouvelle Route Bastos, Bastos, PO Box 35616
Yaoundè
Cameroon
Phone  ...  Subscription required
EmailEmail
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Bauxite
  • Al2O3
Mining Method
  • Strip mining (roll-over)
  • Surface miner
  • Truck & Shovel / Loader
Mine Life20 years (as of Jan 1, 2022)
The ESIA submission over the Project is complete. The company’s application for a Mining Permit is progressing well with the administrative period for objecting to the processing of the Mining Permit application having passed. The next step is the signing of a Mining Convention with the Government of Cameroon, which the company believes is imminent. The required documentation has been forwarded by the Minister of Mines to the Prime Minister of Cameroon for approval before signing.


Owners

Source: p. 13
CompanyInterestOwnership
Canyon Resources Ltd. 100 % Indirect
Camalco SA (operator) 100 % Direct
The Minim Martap Project is 100% owned by Camalco, a wholly owned subsidiary of Canyon.

Upon the grant of a Mining Permit for the Minim Martap mining areas, in accordance with Section 59 of the Mining Code, an entity of the State will be granted 10% ownership of the special purpose Joint Venture Company formed for that purpose, free of charge. The Mining Permit is, upon grant, transferred by Camalco to this new company. Up to an additional 25% ownership of the new company may be acquired via direct investment by the entity of the State under terms and conditions mutually agreed by the parties, and with the same rights and obligations as the other shareholders.

Contractors

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Deposit Type

  • Bauxite


Summary:

The deposit defined within the Minim Martap Project Resource is a Bauxite Deposit. The formation of bauxite within a lateritic setting requires the presence of Al bearing ground rock, an oxygen-rich groundwater, a warm temperate – tropical environment with high rainfall levels, and time.

The presence of bauxite relates predominantly to the reduction of all other elements from the lateritic section, especially Si and Fe, leaving Al present within the very stable series of Al hydroxides of Gibbsite and Boehmite. Bauxite forms in the top of the lateritic profile where it is preserved (the top 10-15m), overlying often a 2-5m transition zone), and derived from the underlying sediments. The surface of the bauxite zone is dominated by bauxite rubble, with little Fe oxides and other minerals present – it is clearly a surface that is undergoing physical erosion over time and it is highly probable that this surface has reduced in level quite significantly since the period from which the current plateaus were meant to have been preserved.

The bauxite zone in the Cameroon Ngaoundéré region is predominantly 10-15m thick, and within it the grades of Al can vary between 35-62% Al as well as 5-30%Fe. These elements are the two main constituents. The Ngaoundal bauxite is formed from the bauxitization of a basalt and this has meant significantly lower Al Grades, higher Fe grades and very low residual Si values. The Minim Martap and Makan bauxite is formed over more Al r ........


Mining Methods

  • Strip mining (roll-over)
  • Surface miner
  • Truck & Shovel / Loader


Summary:

The mine design, upon which the Ore Reserve estimate is based, is simple, edge-to-edge strip mining, open-pit and resulting in very low structural geotechnical risk. The bauxite will be mined from the tops of plateaux and as such the development of significant pit walls is not a feature. As such it is not anticipated that significant structural geotechnical investigations or pit slope stability analysis will be required for this project. Mining productivity has been based on benchmarked data and equipment manufacturer input.

The PFS strategic mine schedules utilised inputs derived from the Scoping Study to refine the optimal mine areas. This resulted in a consolidated mining area about the three sub-plateaux of Beatrice South, Raymonde-East and DanielleCentral. Detailed, quarterly, mining schedules were derived from the strategic schedules.

The high-grade ore and near surface nature of the bauxite deposits lends itself to simple, industry typical mining methods, at low cost and with low strip ratios. Due to the simple nature of mining it is anticipated to be conducted as an owner operation using conventional mechanised equipment including surface-miners, bull dozers, front end loaders, haul trucks and other typical ancillary mining equipment. The potential for mining contract operations will continue to be investigated as development progresses.

The ore presents with favourable physical properties and requires no beneficiation, washing or scre ........


Crushing and Grinding


Processing


Summary:

After cutting with the surface miners, the bauxite will be loaded into mine trucks using front-end-loaders and hauled to the ROM stockpile areas (one ROM per plateau). No crushing or screening will be required. Bauxite will rehandled into high-capacity road trains and hauled from the mine areas to the rail-head at Makor, where the bauxite will be transferred onto into containerized vessels, which will be loaded onto flat-bed rail cars for transport to the port of Douala, a distance of some 840km. At the port, the bauxite will be stockpiled before being loaded onto barges and trans-shipped into ocean-going vessels for delivery to the customers – principally, alumina refineries in Europe, Middle East and Asia. The bauxite product is suitable for direct feed into alumina refineries using the low-temperature Bayer process to convert bauxite to pure alumina, and it is expected that a premium price can be obtained due to the relatively high Al2O3 grade and low SiO2 grade of the product, comp ........

Recoveries & Grades:

CommodityParameterAvg. LOM
Bauxite Head Grade, % 51.1

Projected Production:

CommodityUnitsAvg. AnnualLOM
Bauxite Mt 6.4110
All production numbers are expressed as ore.

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2020 study.
Subscription required - Subscription is required.

Reserves at August 10, 2020:
Reserve cut off grades are:
- all material above 50% Total Al2O3; and
- all material below 2.5% Total SiO2 where Total Al2O3 grade is between 44% and 50%.

The cut-off grades applied is related to the definition of the total bauxite resource (>35% Al2O3), and the definition of a high grade portion of the resource which could be considered consistent and accessible within each of the plateau that contained a significant high grade component to the ores (>45% Al2O3).

CategoryTonnage CommodityGrade
Probable 97.3 Mt Al2O3 51.1 %
Indicated 839 Mt Al2O3 45.2 %
Inferred 53 Mt Al2O3 43.8 %
Total Resource 892 Mt Al2O3 45.1 %

Commodity Production Costs:

CommodityUnitsAverage
C1 cash costs Bauxite USD  ......  Subscription required&nbs
C2 total cash costs Bauxite USD  ......  Subscription required&nbs
C3 fully allocated costs Bauxite USD  ......  Subscription required&nbs
Assumed price Bauxite USD  ......  Subscription required&nbs
* According to 2022 study / presentation.
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2020 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 10% $M USD  ......  Subscription required
After-tax NPV @ 10% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 29, 2021
....................... Subscription required ....................... Subscription required Subscription required Dec 29, 2021
....................... Subscription required ....................... Subscription required Subscription required Jul 1, 2020
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Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Feasibility Study Report 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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