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Australia
Munglinup Project

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 Location:
99 km NW from Esperance, Western Australia, Australia

  Project Contacts:
39-43 Murray Road North, Welshpool
PO Box 635
Perth
Western Australia, Australia
6106
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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
  • Graphite
Mining Method
  • Truck & Shovel / Loader
Mine Life14 years (as of Jan 1, 2020)


Owners

Source: p. 11
CompanyInterestOwnership
Gold Terrace Pty Ltd 49 % Indirect
Mineral Commodities Ltd 51 % Indirect
MRC Graphite Pty Ltd (operator) 100 % Direct
The Project is a joint venture between MRC Graphite and Gold Terrace. MRC Graphite is a wholly owned subsidiary of Mineral Commodities Ltd. Owner / Operator: MRC Graphite Pty Ltd. Agreement gave MRC an initial 51% interest in the Project. The Company intends to exercise its right to increase its joint venture interest from 51% to 90%.

Contractors

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Deposit Type

  • Metamorphic
  • Sediment-hosted


Summary:

The graphite deposits are located in the northern foreland of the AlbanyFraser Orogen and are hosted by paragneisses of the Munglinup Gneiss. Structurally the prospect is located adjacent to the intersection between the northeast trending Fraser Range Fault and the northwest trending Merredin Fault.

The Munglinup graphite deposits occur as discrete layers in a zone of graphitic schists within a sequence of hornblende and hornblende-garnet gneisses. The rocks have been broadly folded about a WNW/ESE axis, with superimposed minor anticlinal and synclinal flexures. Complex small-scale folding and faulting is common in the relatively incompetent graphitic rocks and the enclosing competent hornblendic gneisses appear to be less deformed.

Targeted graphitic mineralisation occurs within saprolite consisting of clays, quartz, graphite (up to 42% flake) and goethite. Weathering extends down to at least 60m.

The host geology comprises weathered metamorphic material.

The Munglinup area comprises Archean to Paleoproterozoic, metamorphosed granitic and other metamorphic rocks of the Albany–Fraser Orogen, typically hornblende (± garnet) gneiss and migmatite.

Within the gneissic rock mass, rocks containing the Munglinup graphite deposits consist of a succession of tightly folded metasedimentary rocks with a consistent dip from north north east to the south.

The classification scheme most widely accepted for graphite deposits ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining of the deposit will be by open pit surface mining methods involving standard truck and haul mining techniques. It has been assumed that no drill and blast will be required given the weathered nature of the deposit and corresponding weak material strength.

The graphite distribution at Munglinup is well constrained and outcrops at surface. The mineralised zones lie within the weathered horizon, generally dipping to the east at around 50°. Material hardness measurements show that the deposit is free-dig with possible blasting required at the base of the deepest pits.

The general mine layout has been developed so that dumps and infrastructure do not encroach on areas of likely continuing mineralisation that have yet to be drilled. Exclusion areas have also been established around significant environmental and heritage areas.

The mining method adopted is based on open pit mining and was evaluated assuming a traditional truck and hydraulic excavator operation.

The operational philosophy is to only operate the mine during day shift, on a 5/2 roster. Run of Mine (“ROM”) operations will continue 24/7 and be owner operated, managed by the process plant.

Annual material movement is planned to be limited to 3.5Mt per annum for the first 3 years of operation then reducing to a maximum of 3Mt per annum.

The optimisation shells selected comprised 13 open pits, mined over 2 stages, which initially target the higher val ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Projected Production:

CommodityUnitsAvg. AnnualLOM
Graphite kt 52745
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Annual mining capacity  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Plant annual capacity  ......  Subscription required
Annual mining rate  ......  Subscription required
* According to 2020 study.
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Reserves at January 8, 2020:
Mineral Resource estimated at a 5% TGC cut-off.

CategoryTonnage CommodityGradeContained Metal
Probable 4.24 Mt Total Graphitic Carbon 12.8 %
Indicated 4.49 Mt Total Graphitic Carbon 13.1 % 588 kt
Inferred 3.5 Mt Total Graphitic Carbon 11 % 383 kt
Total Resource 7.99 Mt Total Graphitic Carbon 12.2 % 971 kt

Commodity Production Costs:

CommodityUnitsAverage
Cash costs (sold) Graphite USD  ......  Subscription required&nbs
Total cash costs (sold) Total Graphitic Carbon USD  ......  Subscription required&nbs
Assumed price Graphite USD  ......  Subscription required&nbs
* According to 2020 study / presentation.
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2020 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 140.1
Total OpEx $M USD  ......  Subscription required
Income Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
EBITDA (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 7% $M USD  ......  Subscription required
After-tax NPV @ 7% $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 TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 26, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Apr 29, 2022
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Staff:

EmployeesYear
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Corporate Presentation 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Corporate Presentation 2018
Pre-Feasibility Study Report 2018
Annual Report 2017
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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