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Australia
Sconi Project

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 Location:
200 km NW from Townsville, Queensland, Australia

  Project Contacts:
Level 34, 1 Eagle Street
Brisbane
Queensland, Australia
4000
Phone  ...  Subscription required
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Nickel
  • Cobalt
  • Scandium
Mining Method
  • Truck & Shovel / Loader
Mine Life30 years (as of Jan 1, 2019)
Sconi Project in Queensland is expected to deliver the world's most sustainable nickel and cobalt from the first mineral resources company to be Carbon Neutral certified by the Australian Government, Australian Mines.


Owners

Source: p. 14, 61
CompanyInterestOwnership
Australian Mines Ltd. 100 % Indirect

Contractors

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Deposit Type

  • Laterite
  • Saprolite


Summary:

The Sconi deposits are hosted in laterites which have formed on ultramafic rocks that include serpentinites, meta-gabbros and pyroxenites. These occur as lower crustal material rich in iron, magnesium and nickel. It is likely that these laterites formed following a period of prolonged weathering post the Cretaceous era.

Ultramafic rocks have a high background level of nickel and cobalt and the process of lateritisation has concentrated the nickel and cobalt to grades which have the potential to be exploited economically.

The laterite profiles are well preserved with the drill holes intersecting a complete laterite profile, from natural surface soil cover down to poorly mineralised bedrock. Each deposit varies with respect to geological profile and mineralisation, with Kokomo and Lucknow enriched in scandium, while Greenvale appears less enriched in scandium.

The Sconi Mineral Resource is contained within a saprolite, developed by weathering process over fragments of ultramafic basement rocks. Ni and Co have been enriched from the ultramafic rocks by both residual and supergene processes. Sc is less enriched at Greenvale than the other deposits, however higher Sc levels are recorded from drill samples obtained from the waste dumps, allowing these dumps to be assessed for inclusion in the Mineral Resource.

Serpentinites are interpreted as being formed in shear zones at the top edges of a meta-gabbro. Through the central regions of th ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Sconi Project spans three Mining Licence areas (ML 10368, ML 10366, and ML 10342) which are Greenvale, Lucknow and Kokomo respectively. The mining operation will be centred at the Greenvale site. Lucknow is located approximately 10 kilometres to the south-east with access via the Gregory Highway, while Kokomo is located approximately 60 kilometres to the north-northeast of Greenvale.

An unsealed haulage road will be constructed to connect Kokomo to the processing facility at Greenvale. Conventional open pit mining is planned for the operation at the three sites utilising a mining contractor model. The ore production schedule assumes Greenvale and Lucknow are operated as one mining area and Kokomo as a separate area. The schedule indicates that mining will be split between both areas and operated simultaneously, thereby requiring two mining fleets.

At Greenvale, ore will be delivered from the pits to a Run-of-Mine (ROM) pad adjacent to the primary crushing circuit. Ore from both Lucknow and Kokomo will be delivered to local ROM pads from where it will be loaded into road trains and transported to the Greenvale site.

The road trains will discharge their load into a purpose-built hopper bin where the ore will be crushed and processed directly or diverted to a storage stockpile on the upper level of the Greenvale ROM pad for rehandling.

Economic recovery of valuable metals requires optimised acid dosing in the Sconi project and to e ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Nickel Sulphate kt 471,405
Cobalt Sulphate kt  ......  Subscription required  ......  Subscription required
Scandium Oxide t  ......  Subscription required

Operational Metrics:

Metrics
Stripping / waste ratio 0.87 *
Annual processing rate 2 Mt *
* According to 2019 study.

Reserves at June 13, 2019:
Ore Reserve summary based on based on variable nickel equivalent cut-off between 0.40% and 0.45%.

Greenvale Mineral Resource. Lower cut-off grade: Nickel equivalent 0.40%.
Lucknow Mineral Resource. Lower cut-off grade: Nickel equivalent 0.55%.
Kokomo Mineral Resource. Lower cut-off grade: Nickel equivalent 0.45%.

CategoryTonnage CommodityGradeContained Metal
Proven 8.08 Mt Nickel 0.72 %
Proven 8.08 Mt Cobalt 0.09 %
Proven 8.08 Mt Scandium 44 ppm
Probable 49.22 Mt Nickel 0.55 %
Probable 49.22 Mt Cobalt 0.08 %
Probable 49.22 Mt Scandium 33 ppm
Proven & Probable 57.3 Mt Nickel 0.58 %
Proven & Probable 57.3 Mt Cobalt 0.08 %
Proven & Probable 57.3 Mt Scandium 35 ppm
Measured 8.27 Mt Nickel 0.75 % 62,221 t
Measured 8.27 Mt Cobalt 0.09 % 7,725 t
Measured 8.27 Mt Nickel Equivalent 1.05 % 87,044 t
Indicated 49.24 Mt Nickel 0.6 % 295,736 t
Indicated 49.24 Mt Cobalt 0.08 % 39,946 t
Indicated 49.24 Mt Nickel Equivalent 0.85 % 420,532 t
Inferred 18.2 Mt Nickel 0.54 % 97,622 t
Inferred 18.2 Mt Cobalt 0.05 % 9,486 t
Inferred 18.2 Mt Nickel Equivalent 0.66 % 120,378 t
Total Resource 75.71 Mt Nickel 0.6 % 455,579 t
Total Resource 75.71 Mt Cobalt 0.08 % 57,157 t
Total Resource 75.71 Mt Nickel Equivalent 0.83 % 627,954 t

Commodity Production Costs:

CommodityUnitsAverage
Credits (by-product) Nickel USD  ......  Subscription required&nbs
C1 cash costs Nickel USD  ......  Subscription required&nbs
C1 cash costs Nickel USD  ......  Subscription required *†
Assumed price Sc2O3 USD  ......  Subscription required&nbs
Assumed price Cobalt USD  ......  Subscription required&nbs
Assumed price Nickel USD  ......  Subscription required&nbs
* According to 2019 study / presentation.
† Net of By-Product.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Gross revenue (LOM) $M AUD  ......  Subscription required
After-tax Cash Flow (LOM) $M AUD  ......  Subscription required
Pre-tax NPV @ 8% $M AUD  ......  Subscription required
After-tax NPV @ 8% $M AUD  ......  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.


Heavy Mobile Equipment:

Mine Management:

Job TitleNameEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required Dec 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 1, 2022
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Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Corporate Presentation 2022
Corporate Presentation 2022
................................... Subscription required 2019
................................... Subscription required 2019
Feasibility Study Report 2018
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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