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Australia
Mt Rawdon Operation

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 Location:
73 km SW from Bundaberg Central, Queensland, Australia
  Regional Office:
Level 24 175 Liverpool Street
Sydney
New South Wales, Australia
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Fax+61-2-9696-2901
WebsiteWeb
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  • Overview
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2027
Evolution is progressing a Feasibility Study into the Mt Rawdon Pumped Hydro (MRPH) Project, which is reviewing the conversion of the existing open pit into a 1-2GW pumped hydro project post-mine life. The Feasibility Study is being completed with Evolution’s partner, Ironstone Capital Australia, and is due for completion in June 2023. Evolution will retain a 50% share of the MRPH Project if the project proceeds.

Owners

Source: p. 223
CompanyInterestOwnership
Evolution Mining Ltd. 100 % Indirect
Mt Rawdon Operations Pty Ltd. (operator) 100 % Direct
Evolution Mining (operating as Mt Rawdon Operations Pty Ltd) is the current owner and owns 100% of the Mt Rawdon Project.

Contractors

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Deposit Type

  • Breccia pipe / Stockwork
  • Hydrothermal
  • Vein / narrow vein

Summary:

The Mt Rawdon gold deposit is a massive, volcaniclastic and dacite hosted, low grade gold deposit. The gold mineralisation is closely associated with fine disseminated pyrite within the host rocks as well as more discrete sulphide veinlets. The host rocks at Mt Rawdon are interpreted to be part of the Carboniferous aged, Aranbanga Volcanic Group that unconformably overlies rocks of the Curtis Island Group and is intruded by Permo-Triassic granitoids. Gold mineralisation at Mt Rawdon appears to be coincident with Triassic magmatism. The host rocks at Mt Rawdon have been interpreted to be the product of a diatreme which intruded through the surrounding Devonian to Carboniferous, Curtis Island Group metasedimentary sequence. The host rocks are comprised of a polymict volcaniclastics, grading into monomict dacitic volcaniclastics and coherent dacite intrusions. Gold mineralisation is predominantly hosted in pyrite, associated with zoned hydrothermal alteration, progressing from a highly pervasive inner calc-sodic altered core outwards to a sodic, then distal propylitic alteration. The general shape of the mineral deposit is a slightly elongated and flattened ellipse with the major direction plunging moderately to the southwest and extending for approximately one kilometre, the semi-major direction dipping to the west and having a width extending approximately five hundred metres, and thickness of approximately three hundred metres. Lithology is believed to have a strong control ........

Mining Methods

  • Truck & Shovel / Loader

Summary:

Mining production is derived from a single open pit, utilising conventional drill and blast, load and haul methodologies, mining 10-15m benches. Mining is scheduled until FY24 at current estimates with a remaining life of mine strip ratio of 2:1. Current mining at Mt Rawdon open pit is undertaken via conventional truck and excavator fleet to extract ore material to the ROM, waste material to the waste rock dumps and stockpiling and reclaim of lower grade material. The current mining activities show the appropriateness of this mining method as the basis of the Ore Reserve. The minimum mining width used is 20m.

Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2023202220212020201920182017
Gold oz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required105,053101,331
Silver oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as payable metal. ^ Guidance / Forecast.
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Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required3,202 kt4,444 kt5,005 kt
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required3,404 kt4,650 kt5.56 Mt
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required3,245 kt3,241 kt3,351 kt
Annual processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required3.5 Mt3.5 Mt
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Reserves at December 31, 2021:
Mineral Resource cut-off 0.21 g/t.
Ore Reserve cut-off 0.33 g/t.

CategoryTonnage CommodityGradeContained Metal
Proven 3.1 Mt Gold 0.39 g/t 40 koz
Probable 12.6 Mt Gold 0.64 g/t 260 koz
Proven & Probable 15.7 Mt Gold 0.59 g/t 300 koz
Measured 6.3 Mt Gold 0.32 g/t 65 koz
Indicated 27.2 Mt Gold 0.55 g/t 481 koz
Inferred 5.7 Mt Gold 0.46 g/t 84 koz
Total Resource 39.2 Mt Gold 0.5 g/t 630 koz

Commodity Production Costs:

CommodityUnits2023202220212020201920182017
Credits (by-product) Gold AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required -26 / oz   -38 / oz  
Cash costs Gold AUD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 693 / oz†   630 / oz†  
Cash costs (sold) Gold AUD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 680 / oz†   640 / oz†  
All-in sustaining costs (sold) Gold AUD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 884 / oz†   873 / oz†  
All-in costs Gold AUD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 987 / oz†   1,065 / oz†  
^ Guidance / Forecast.
† Net of By-Product.
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Financials:

Units2023202220212020201920182017
Capital expenditures (planned) M AUD  ......  Subscription required
Sustaining costs M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 8.6   14.2  
Capital expenditures M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 19.5   33.3  
Revenue M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 179.4   166.5  
EBITDA M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 93   91.6  
Operating Cash Flow M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 69.2  
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Heavy Mobile Equipment as of June 30, 2022:
HME TypeModelQuantity
Dozer (crawler) ....................... Subscription required ....................... Subscription required
Dozer (rubber tire) ....................... Subscription required ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (water) ....................... Subscription required ....................... Subscription required
Truck (water) ....................... Subscription required ....................... Subscription required
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Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 27, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Oct 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 27, 2022
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Staff:

Total WorkforceYear
Subscription required 2022
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Corporate Presentation 2022
Fact Sheet 2022
Quarterly 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 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Fact Sheet 2018
Quarterly Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Fact Sheet 2017
Annual Report 2016
Fact Sheet 2016
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