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Australia
Karlawinda Mine

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 Location:
58 km SE from Newman, Western Australia, Australia

  Regional Office:
Level 3, 40 Kings Park Road
West Perth
Western Australia, Australia
6005
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2033
The Karlawinda Gold Project (KGP) is an operating gold project which includes the Bibra deposit and numerous outstanding exploration targets including Forfar, Muirfield and Jims West. The project covers a total area of approximately 2,052km2.

Construction of the KGP commenced in December 2019 and was completed in the June 2021 quarter with the successful commissioning of the processing plant culminating in first gold poured at the end of June 2021. Steady state operations were achieved by the end of the September 2021 quarter.
Latest NewsCapricorn’s golden year     September 11, 2023


Owners

Source: p. 53
CompanyInterestOwnership
Capricorn Metals Ltd. 100 % Indirect
The Karlawinda gold project is 100% held by Greenmount Resources Pty Ltd, a wholly-owned subsidiary of Capricorn.

Contractors

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Deposit Type

  • Metamorphic hosted


Summary:

The Project area is underlain by a largely unexplored and only recently recognised belt of Archaean-aged greenstone rocks that were discovered in 2005. This belt of predominantly volcanic and sedimentary rocks is located on the southern margin of the Sylvania Dome, a major structure where Archaean predominantly granitic basement rocks thought to be part of the Pilbara Craton, are exposed at surface within surrounding younger Proterozoic aged sedimentary basins.

Typically, at the Karlawinda Gold Project (KGP) the bedrock geology is obscured by a thin cover of sandy soil up to 2m thick. The Bibra deposit is part of a large-scale Archaean gold mineralising system with mineralisation hosted within a package of deformed meta-sediments and meta-volcanic rocks and is developed on four main parallel, shallow dipping structures. Close to surface in the weathered rock, oxide gold mineralisation has been developed over the structures from surface to a depth of approximately 60m.

The KGP is an operating gold project which includes the Bibra deposit and numerous outstanding exploration targets including Forfar, Muirfield and Jims West. The project covers a total area of approximately 2,052km2.

Bibra Deposit Geology
At Bibra, mineralisation is shoot-controlled along a series of dominant low-angle, north-east trending mineralised faults that combine to make up a very large-scale mineralised system. The system is hosted in a sequence of Archaean greensto ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Bibra deposit is mined by open pit mining methods using conventional mining equipment. The selected mining method, design and extraction sequence are tailored to suit orebody characteristics, minimise dilution and ore loss, defer waste movement, minimise rates of vertical mining advance, utilise planned process plant capacity and expedite free cash generation in a safe manner. The open pit has been scheduled based on achieved mining productivity and rates along with consistent material movements.

Currently a contractor-operated open-pit mining option is the basis for the cut-off grade. Ore and waste is paddock blasted on 5m benches and subsequently excavated as 2.5m flitches utilising a conventional excavator and truck mining fleet to facilitate moderate ore excavation selectivity.

The low-angle dip of the deposit (28° to West) allows for a designed overall wall angle on the Footwall (Eastern side of pit) between ramps of 25°. The western wall (Hanging Wall) of the pit is designed to have an overall slope of 49.8°.

The operational mine plan includes waste rock dumps, a ROM pad, a surface water diversion channel, surface dewatering bores, light and heavy vehicle workshop facilities, explosives storage and supply facilities and technical services and administration facilities.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits202320222021Avg. Annual (Projected)LOM (Projected)
Gold koz  ......  Subscription required  ......  Subscription required  ......  Subscription required97823
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.

Operational Metrics:

Metrics202320222021
Stripping / waste ratio  ......  Subscription required  ......  Subscription required  ......  Subscription required
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required
Total tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Reserves at April 19, 2023:
Ore Reserves are estimated using a cut-off grade between 0.3g/t and 0.4g/t Au.
Mineral Resources are estimated using a cut-off grade between 0.3g/t and 0.4g/t Au.

CategoryTonnage CommodityGradeContained Metal
Probable 49.2 Mt Gold 0.8 g/t 1,247 koz
Indicated 80.4 Mt Gold 0.7 g/t 1,880 koz
Inferred 17 Mt Gold 0.6 g/t 349 koz
Total Resource 97.4 Mt Gold 0.7 g/t 2,228 koz

Commodity Production Costs:

CommodityUnits20232022
Cash costs Gold AUD  ......  Subscription required  ......  Subscription required
Total cash costs Gold AUD  ......  Subscription required  ......  Subscription required
All-in sustaining costs (AISC) Gold AUD  ......  Subscription required  ......  Subscription required
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Financials:

Units20232022
Capital expenditures (planned) M AUD
Revenue M AUD  ......  Subscription required  ......  Subscription required
Pre-tax Income M AUD  ......  Subscription required  ......  Subscription required
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Water Supply
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Heavy Mobile Equipment:
HME TypeModelSizeQuantityLeased or
Contractor
Ref. Date
Excavator ....................... Subscription required 205 t ....................... Subscription required Leased Sep 6, 2023
Excavator ....................... Subscription required 250 t ....................... Subscription required Leased Sep 6, 2023
Truck (haul) ....................... Subscription required 181 t Leased Feb 21, 2022
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Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Sep 13, 2023
....................... Subscription required ....................... Subscription required Subscription required Sep 13, 2023
....................... Subscription required ....................... Subscription required Subscription required Sep 13, 2023
....................... Subscription required ....................... Subscription required Subscription required Sep 13, 2023
....................... Subscription required ....................... Subscription required Subscription required Sep 13, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Financial Review 2023
Quarterly Report 2023
Year-end Mineral Reserves 2023
Annual Report 2022
Financial Review 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Corporate Presentation 2018
Other 2018
Press Release 2018
Press Release 2018
Press Release 2018
Feasibility Study Report 2017
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News:

NewsDate
Capricorn’s golden year September 11, 2023

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