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Australia
Karlawinda Mine

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

  Regional Office:
Level 1, 28 Ord Street
West Perth
Western Australia, Australia
6005
Phone  ...  Subscription required
Fax+61-8-9212-4699
EmailEmail
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life10 years (as of Jan 1, 2021)
July 1, 2021 - The board of Capricorn Metals Ltd is pleased to advise that it poured first gold yesterday at its wholly owned Karlawinda Gold Project.


Owners

Source: p. 49
CompanyInterestOwnership
Capricorn Metals Ltd. 100 % Indirect

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 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.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Bibra deposit will be mined by open pit mining methods using conventional mining equipment. The FS assumes that load and haul will be undertaken as an owner operator which utilises a peak operating fleet of four 100 tonne haul trucks and eight 130 tonne haul trucks, a 300 tonne, 200 tonne and 100 tonne excavators along with ancillary equipment including dozers, graders, loaders and watercarts. Drill and blast activities and grade control drilling will be undertaken on a contract basis. Detailed fragmentation modelling was undertaken by George Boucher Consulting to determine appropriate blasting techniques and powder factors in the various ore and rock types. Drill and blast will be on 5m benches in ore and 5m and 10m benches in waste. Grade control drilling will be undertaken by reverse circulation drilling, predominantly on a spacing of 10m x 10m, which targets the main zones of mineralisation and a 5m x 8m pattern in more discrete hanging wall lodes. Grade control hole orientation in the first 20 metres of the pit (including laterite zones) will be vertical and thereafter is planned with inclined holes at 60 degrees to the east.

The pit will be mined in three stages with the first stage comprised of three oxide pits.

A life of mine open pit production schedule was prepared using the staged designs and based on the primary target of achieving the mill production feed rate which varied between 3.0 Mtpa and 3.75 Mtpa. This was achieved throug ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2021Avg. Annual (Projected)LOM (Projected)
Gold oz  ......  Subscription required96,872823,413
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics2021
Ore tonnes mined  ......  Subscription required
Waste  ......  Subscription required
Tonnes milled  ......  Subscription required
Stripping / waste ratio  ......  Subscription required
Subscription required - Subscription is required.

Reserves at June 30, 2021:
Ore Reserves are calculated using a cut-off grade between 0.3g/t and 0.4g/t Au.
Mineral Resources are calculated using a cut-off grade between 0.3g/t and 0.4g/t Au.

CategoryTonnage CommodityGradeContained Metal
Probable 43.5 Mt Gold 0.9 g/t 1,201 koz
Proven & Probable 43.5 Mt Gold 0.9 g/t 1,201 koz
Indicated 67.2 Mt Gold 0.8 g/t 1,722 koz
Inferred 19.5 Mt Gold 0.7 g/t 422 koz
Total Resource 86.7 Mt Gold 0.8 g/t 2,145 koz



Heavy Mobile Equipment:
HME TypeModelSizeQuantityStatusRef. Date
Excavator 100 t ....................... Subscription required Proposed Oct 23, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Oct 23, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Oct 23, 2017
Truck (haul) ....................... Subscription required 181 t Existing Feb 21, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Oct 23, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Oct 23, 2017
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 22, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 22, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 22, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 22, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
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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Subscription required - Subscription is required.

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