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Mozambique
Ancuabe Project

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 Location:
45 km W from Pemba, Mozambique

  Project Contacts:
1st Floor, 34 Colin Street
PO Box 1518 West Perth 6872
West Perth
Western Australia, Australia
6005
Phone  ...  Subscription required
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
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Overview

StageConstruction
Mine TypeOpen Pit
Commodities
  • Graphite
Mining Method
  • Truck & Shovel / Loader
Mine Life30 years (as of Jan 1, 2020)


Owners

Source: p. 4
CompanyInterestOwnership
Triton Minerals Ltd. 100 % Indirect
Triton, through its 100% owned subsidiaries domiciled in the United Arab Emirates, has a 100% economic interest in Grafex Limitada. Grafex is the registered holder of seven exploration licenses in the Cabo Delgado Province of northern Mozambique. The licenses comprise three project areas; the Ancuabe Project, the Balama North Project and the Balama South Project.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Sedimentary


Summary:

The interpreted mineralisation zones (>3% TGC) comprise eight individual lenses. Approximately 70% of the mineralisation is contained in two major lenses (Zones 1 and 2), that range between a minimum of about 2 m up to a maximum of about 15 m in true thickness. The mineralisation roughly strikes towards 070°, dipping on average 20° towards 340° – although the lenses appear to be affected by gentle folding.

The strike extent is roughly 1,100 m and across strike width is roughly 500 m.

The mineralisation outcrops in the south and east and is interpreted up to a maximum depth of about 190 m below surface in the north. The combined thickness of the mineralisation zones is greatest (˜25 m to ˜40 m) in the eastern half of the deposit thinning to the west (˜5 m to ˜20 m).


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining method selected for the Ancuabe project is open pit mining applying conventional techniques that are commonly practiced in this style of deposit and region. A mining recovery factor of 95% and dilution factor of 10% have been applied in the Ore Reserve Estimate.

Separate optimisations were run for the T12 and T16 deposits, and two optimisations were carried out for T16 to determine the effect of constraining the pit limits to the tenement boundary on the north of the deposit. Both deposits show flat cash curves indicating that the optimisation is Mineral Resource constrained, indicating that the deposits may continue at depth and possibly along strike.

Final pit designs correlate well with optimisation results, however the T16 final design contains 15% less ROM feed than the optimisation shell as a more practical to the tenement boundary constraint was adopted in the pit design.

Depending on the availability of suitable waste materials at T16 additional materials for the Tailings Storage Facility wall and Water Storage Facility wall construction may also be sourced from within the proposed containment areas. Prior to completion of mining operations at T16, pre- strip mining will commence at T12.

It is planned that conventional drill and blast, load and haul, open pit mining will be used to extract the mineralised material. ROM feed will be defined by grade control procedures in the pit, and delivered by truck to ........


Crushing and Grinding
Flow Sheet: Source


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Graphite kt 60,0001,492
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Stripping / waste ratio 4.6 *
Waste tonnes, LOM 89,323 kt *
Ore tonnes mined, LOM 24,894 kt *
Total tonnes mined, LOM 114,217 kt *
Tonnes milled, LOM 24,894 kt *
* According to 2017 study.

Reserves at December 31, 2018:

CategoryTonnage CommodityGradeContained Graphite
Probable 24.9 Mt Graphite 6.2 % 1,544 kt
Indicated 31.1 Mt Graphite 6.9 % 2,150 kt
Inferred 15 Mt Graphite 6 % 890 kt
Total Resource 46.1 Mt Graphite 6.6 % 3,040 kt

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Graphite USD 632 / t *  
Assumed price Graphite USD 1,435 / t *  
* According to 2017 study / presentation.

2017 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Gross 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 @ 10% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of December 17, 2017:
HME TypeModelSizeQuantity
Drill ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Feasibility Study Report 2017
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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