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Australia
Kal East Project

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 Location:
48 Km SE from Kalgoorlie - Boulder, Western Australia, Australia
  Project Contacts:
Level 3, 52 Kings Park Road
PO Box 184
West Perth
Western Australia, Australia
6005
Phone  ...  Subscription required
EmailEmail
WebsiteWeb
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  • Overview
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Overview

StagePermitting
Mine TypeOpen Pit & Underground
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
  • Longhole stoping
Mine Life5.5 years (as of Jan 1, 2022)
Included in the Kal East Gold Project PFS are the following deposits:
• Myhree Mining Centre: Myhree (open pit), Boundary (open pit).
• Majestic Mining Centre: Majestic (underground), Jones Find (open pit), Crown (open pit).
• Fingals Mining Centre: Fingals Fortune (open pit), Fingals East (open pit).

The Kal East Project is fully approved, and in the “Go Bay” with the final investment decision deferred until construction conditions improve.

Work will continue at Kal East to progress additional approvals over future open pit mines and drilling to support Resource upgrades and Ore Reserve increases.

Owners

Source: p. 7, 63, 89
CompanyInterestOwnership
Black Cat Syndicate Ltd. 100 % Indirect
Kal East operation is 100% owned by Black Cat Syndicate Ltd.

Contractors

Subscription required - Subscription is required.

Deposit Type

  • Vein / narrow vein
  • Hydrothermal
  • Orogenic

Summary:

Myhree, Boundary, Jones Find, Fingals East deposites: The style of mineralisation is Archaean orogenic gold.

Myhree Mining Centre
Myhree (open pit)
A well-developed laterite zone, up to 25m thick, sits above the local sequence which consists of (from footwall to hangingwall): komatiitic ultramafic, interlayered dolerite and volcaniclastic sediments (with variable black shale lenses), komatiitic ultramafic, and then into polymictic conglomerate with intruded dolerite lenses.

The footwall of Myhree is characterised by a zone of heavy chlorite alteration within the footwall ultramafic, generally following the trend of the ultramafic-diorite contract. Abutting the chlorite alteration is a package of highly silicified rocks generally consisting of the diorite and volcaniclastic sediments. The silicification can however cross into the footwall ultramafic, producing a bleached and highly competent rock. Above the silicified zone, the hangingwall ultramafic is characterised by talc-carbonate alteration. Finally, the conglomerate also appears to be highly silicified.

The main orientations are NW-SE dipping north and north-south dipping west. Mineralisation terminates on a bounding NS fault, with no mineralisation observed on the eastern side. Both structures have no evidence in the drilling of a reduction in competency.

Boundary (open pit)
The Boundary deposit is hosted within NNE trending, west dipping units of altered u ........

Mining Methods

  • Truck & Shovel / Loader
  • Longhole stoping

Summary:

Included in the Study are the following deposits:
• Myhree Mining Centre: Myhree (open pit), Boundary (open pit)
• Majestic Mining Centre: Majestic (underground), Jones Find (open pit), Crown (open pit)
• Fingals Mining Centre: Fingals Fortune (open pit), Fingals East (open pit)

The production profiles and mining sequences may change in future studies as the deposits are subject to ongoing infill and extensional drilling. For example, the large Fingals Fortune deposit remains open in all directions and at depth. In addition, there has been a focus on open pits with some deposits (eg Myhree and Fingals Fortune) potentially amenable to underground mining.

Open pit and underground mining being undertaken by mining contractors. Overall project implementation and management by a Black Cat owner’s team.

Open Pit
The mining method selected was top-down conventional drill-blast-load-haul with design parameters based on machinery capabilities and geotechnical recommendations. A undiluted minimum mining width (MMW) of 2.0m was applied, including unplanned dilution of 0.5m on both the hangingwall and footwall contact. The grade of this dilution material was determined based on the contained Resource. Mining recoveries of 95% were applied to account for loss during mining.

Load and haul production was scheduled based on the capabilities of 200t and 120t excavators, 90t rigid trucks mining 2.5m flitch heights, with cons ........

Crushing and Grinding
Source: Subscription required

- subscription is required.

Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.

Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 56278
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Annual processing capacity  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

Reserves at June 3, 2022:
The Ore Reserve portion of the project is cash positive at the Ore Reserve gold price of A$2,300/oz.
Resources are reported at a 0.7 g/t Au cut-off grade for open pit and at 2.0 g/t Au cut-off grade below the pit.

CategoryOreTypeTonnage CommodityGradeContained Metal
Probable In-Situ (OP) 3,287,600 t Gold 1.8 g/t 192,900 oz
Probable In-Situ (UG) 437,000 t Gold 3.6 g/t 50,000 oz
Probable Total 3,724,600 t Gold 2 g/t 242,900 oz
Proven & Probable In-Situ (OP) 3,287,600 t Gold 1.8 g/t 192,900 oz
Proven & Probable In-Situ (UG) 437,000 t Gold 3.6 g/t 50,000 oz
Proven & Probable Total 3,724,600 t Gold 2 g/t 242,900 oz
Measured Total 13 kt Gold 3.2 g/t 1 koz
Indicated Total 9,605 kt Gold 2.3 g/t 696 koz
Inferred Total 9,219 kt Gold 2 g/t 597 koz
Total Resource Total 18,836 kt Gold 2.1 g/t 1,294 koz

Commodity Production Costs:

CommodityUnitsAverage
All-in sustaining costs (AISC) Gold AUD  ......  Subscription required
Assumed price Gold AUD  ......  Subscription required
* According to 2022 study / presentation.
Subscription required - Subscription is required.

2022 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M AUD  ......  Subscription required
Working capital $M AUD  ......  Subscription required
Sustaining CapEx $M AUD  ......  Subscription required
Total CapEx $M AUD  ......  Subscription required
OP OpEx $M AUD  ......  Subscription required
UG OpEx $M AUD  ......  Subscription required
Processing OpEx $M AUD 123
Site services costs $M AUD 26.8
Transportation (haulage) costs $M AUD 11.2
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
Subscription required - Subscription is required.

Proposed Heavy Mobile Equipment as of June 3, 2022:
HME TypeModelSizeQuantity
Drill (long hole) ....................... Subscription required ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 5, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Dec 5, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 5, 2022
Subscription required - Subscription is required.

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Corporate Presentation 2022
Pre-Feasibility Study Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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