In This Article:
Perth, Sept. 18, 2023 (GLOBE NEWSWIRE) -- PERSEUS EXTENDS LIFE OF YAOURÉ GOLD MINE TO 2035
Perth, Western Australia/September 18, 2023/Perseus Mining Limited (ASX/TSX: PRU) is pleased to announce an updated Life of Mine Plan (“LOMP”) for its Yaouré Gold Mine in Côte d’Ivoire, West Africa (“Yaouré”).
HIGHLIGHTS
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Perseus has extended Yaouré’s operational life to 12+ years (to at least 2035), with potential for further extension through additional discoveries adjacent to existing infrastructure and further resource definition drilling of known deposits, including the Yaouré open pit and CMA underground (“CMA UG”) structure.
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Yaouré’s updated LOMP incorporates for the first time an UG mining operation below the CMA Open Pit, as well as the existing CMA Open Pit and an expanded Yaouré Open Pit.
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Yaouré Gold Mine Ore Reserves1,2 now total 37.2 million tonnes of ore grading 1.73 g/t gold, containing 2.07 million ounces of gold from open pits and underground.
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Updated Measured and Indicated Mineral Resources1 are estimated at 54.7 million tonnes grading 1.59 g/t gold, containing 2.80 million ounces of gold. Inferred Resources1 are estimated at 11.3 million tonnes, grading 1.9 g/t gold, containing 0.70 million ounces of gold.
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CMA UG Ore Reserves are based on drilling to 185m below the base of the CMA open pit, with Inferred Mineral Resources extending to 350m below the base of the pit and remaining open down plunge and at depth.
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Key parameters arising from the revised LOMP for Yaouré Gold Mine are as follows:
Key Parameters | Units | Annual Average | Annual Average | September 2023 |
Total Ore + waste mined | Mt | 28.6 | 1.04 | 176.4 |
Strip ratio | t:t | 4.7 : 1 | 0.2 : 14 | 3.8 : 1 |
Ore processed | Mt | 3.5 | 3.4 | 41.9 |
Head grade | g/t gold | 2.0 | 1.1 | 1.58 |
Gold recovery rate | % | 91.6 | 89.8 | 90.8 |
Gold production | Moz | 0.210 | 0.110 | 1.93 |
Production costs | US$/oz | 949 | 1,002 | 969 |
Royalty 3 | US$/oz | 87 | 85 | 86 |
Sustaining capital | US$/oz | 68 | 47 | 61 |
Average All-in site costs | US$/oz | 1,104 | 1,134 | 1,116 |
CMA UG pre-production & ongoing mine development 5 | US$M | 98.8 | 5.3 | 104.1 |
CMA UG infrastructure | US$M | 27.6 | - | 27.6 |
CMA UG Development Capital | US$M | 126.34 | 5.3 | 131.7 |
Notes:
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For detailed disclosures on updated Mineral Resources and Ore Reserves estimates refer to ASX Release “Perseus Mining Announces Open Pit and Underground Ore Reserve Growth at Yaouré”, dated 23 August 2023. Mineral Resources are inclusive of Ore Reserves.
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Assumes gold price of US$1,500 /oz for Reserve calculation in September 2023 LOMP.
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Assumes a flat gold price of US$1,700 /oz for royalty calculation in September 2023 LOMP.
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CMA UG Mining in September 2023 LOMP ends in FY34 hence average is calculated over 5 years FY30 to FY34.
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All CMA UG Mining costs are capitalised in accordance with IFRS up to declaration of Commercial Production in H2 FY27.