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Australia
Cardinia Project

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 Location:
28 km NE from Leonora, Western Australia, Australia

  Project Contacts:
Level 1, 342 Scarborough Beach Rd
Osborne Park
Western Australia, Australia
6017
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  • Overview
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  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StagePre-Feasibility
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Mine Life8.2 years (as of Jan 1, 2019)
Focus has shifted from development (2019 PFS) to exploration targeting new, high-value, higher grade gold discoveries.


Owners

Source: p. 49
CompanyInterestOwnership
Kin Mining NL 100 % Indirect
Navigator Mining Pty Ltd. 100 % Direct
The Cardinia Project’s Helens and Rangoon areas includes granted mining tenements M37/316 and M37/317, centered some 35-40km NE of Leonora. The tenements are held in the name of Navigator Mining Pty Ltd, a wholly owned subsidiary of KIN.

Contractors

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Deposit Type

  • Epithermal
  • VMS
  • Orogenic


Summary:

Gold deposits in the CGP occur in three main mining centres – Cardinia, Mertondale and Raeside. Cardinia and Mertondale are located within the Minerie Greenstone Belt while the Raeside deposits occur in the Malcolm Greenstone Belt.

The CGP has approximately 45km of strike of the Minerie greenstone and is composed of four bi- modal, felsic-mafic volcanic flows. Gold mineralisation occurs in a number of styles: low sulphidation epithermal deposits, volcanogenic massive sulphide deposits, and orogenic style gold deposits. All mineralisation styles result in zones of supergene enrichment within the oxide profile above each deposit.

The Mertondale prospects extend over a strike length from Merton’s Reward in the south to Mertondale 5 (32.0koz mined in 1991) 12km to the north. Merton’s Reward (60.5koz previously mined), Mertondale 2 (2.7koz mined in 1987 and 2010) and Mertondale 3-4 (179.3koz mined between 1986 and 1993) are contained within the eastern branch of the Mertondale Shear Zone and extend over approximately 3km of strike. Quicksilver, Tonto, Eclipse and Mertondale 5 are all contained within the western shear zone and extend over approximately 9km of strike. The Mertondale area consists of an eastern mafic flow (mafic flow 3), a central felsic volcanic sequence which is overlain by a volcanoclastic sequence of rocks which include schists and carbonaceous shales, and topped by another mafic volcanic flow (mafic flow 4).

The Eastern ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

KIN plans to use conventional open pit mining methods to extract gold ore from nine deposits at the CGP divided into two mining centres; Cardinia and Mertondale (incorporating Mertondale East and Mertondale West deposits).

Open Pit mining is planned on a double shift continuous roster basis, using 120t excavators and 100t dump trucks (i.e. Komatsu PC1250-8SP excavator and Caterpillar 777F trucks or similar), with mining benches approximately 5m in height. Two mining fleets will be required to meet the scheduled processing plant feed requirements for the initial four years of mining.

Pit design parameters are governed by fleet size and required production rate. To produce sufficient ore to continuously feed the nominal 1.5Mtpa processing plant, a total movement of between 7Mtpa and 10Mtpa of waste is be required. Experience indicates that this can be achieved by a fleet of 125t excavator and 90t trucks. The selected mining fleet was modelled to operate with the following parameters:
- Ramp gradient of 1:10
- Bench height of 5m
- Minimum mining width of 20m.

Ore Reserve optimisations have been carried out taking the ramp widths and minimum mining widths into consideration, in addition to mining cost, treatment cost, transport cost, and mill recovery. Drill and blast activities will be carried out from surface on 5m benches and then excavated in 2.5m passes. A 5% drill and blast estimate has been assumed for oxide, 60% for tran ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 51368
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Stripping / waste ratio 5.2 *
Waste tonnes, LOM 26.5 Mbcm *
Ore tonnes mined, LOM 11,404 kt *
Total tonnes mined, LOM 31.5 Mbcm *
Plant annual capacity 1.5 Mt *
Tonnes processed, LOM 11,404 kt *
* According to 2019 study.

Reserves at February 1, 2020:
Mineral Resources are reported in accordance with JORC 2012 using a 0.5g/t Au cut-off within AUD$2,000 optimisation shells.

CategoryTonnage CommodityGradeContained Metal
Measured 0.4 Mt Gold 1.04 g/t 12 koz
Indicated 12.4 Mt Gold 1.49 g/t 591 koz
Inferred 8.3 Mt Gold 1.28 g/t 341 koz
Total Resource 21 Mt Gold 1.4 g/t 945 koz

Commodity Production Costs:

CommodityAverage
Credits (by-product) Gold  ......  Subscription required&nbs
Total cash costs Gold  ......  Subscription required *†
All-in sustaining costs (AISC) Gold  ......  Subscription required *†
C1 cash costs Gold  ......  Subscription required *†
Assumed price Gold  ......  Subscription required *
* According to 2019 study / presentation.
† Net of By-Product.

Operating Costs:

Units2019
OP mining costs ($/t milled) AUD 22.6 *
Processing costs ($/t milled) AUD  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M AUD  ......  Subscription required
Sustaining CapEx $M AUD  ......  Subscription required
Closure costs $M AUD  ......  Subscription required
Total CapEx $M AUD  ......  Subscription required
OP OpEx $M AUD  ......  Subscription required
Processing OpEx $M AUD 186.2
Site services costs $M AUD 23.8
Refining costs $M AUD  ......  Subscription required
Total OpEx $M AUD  ......  Subscription required
Royalty payments $M AUD  ......  Subscription required
Gross revenue (LOM) $M AUD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M AUD  ......  Subscription required
Pre-tax NPV @ 8% $M AUD  ......  Subscription required
Pre-tax IRR, % $M AUD  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of August 30, 2019:
HME TypeModelSize
Excavator ....................... Subscription required 120 t
....................... Subscription required ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 17, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 27, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2019
Press Release 2014
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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