Chalice Mining ( ASX:CHN,OTC Pink:CGMLF) said on Monday (February 17) that it has made an important metallurgical breakthrough at its Gonneville projected, located in Western Australia.
The company said a hydrometallurgical process for nickel concentrate is no longer needed, as recent testwork results confirm that two saleable, smelter-grade flotation concentrates can be produced across the entire sulphide resource.
Managing Director and CEO Alex Dorsch said in a press release that this new information “materially reduces” capital and operating costs for Gonneville, also substantially reducing technical risk and process complexity.
Gonneville was discovered by Chalice geologists in 2020, and is wholly owned by Chalice Mining. The company says it is the first discovery of its kind in Australia, hosting palladium, platinum, nickel, copper and cobalt.
In 2024, the discovery was the recipient of two major project status honours, one from Western Australian Premier Roger Cook in September, and another from Commonwealth Minister for Industry and Science Ed Husic in October.
These recognitions underscore the project’s role in Australia’s future critical minerals ambition.
Chalice is currently working on a prefeasibility study for Gonneville, and said testwork and optimisation will continue through the first quarter. Prefeasibility work began in 2023, with completion targeted in mid-2025.
In July 2024, Chalice signed a non-binding strategic memorandum of understanding with Mitsubishi (TSE:8058).
The company said at the time that this arrangement will be beneficial to the project, allowing for collaboration on marketing and offtake solutions and improvements in optimization for Gonneville.
Under Australia’s newly legislated Critical Minerals Production Tax Incentive, the project may receive a 10 percent tax offset for its carbon-in-leach leaching, which qualifies as an eligible expenditure.
Shares of Chalice rose as high as AU$1.60 after the news on Monday, but pulled back later in the week.
Chalice said it is well positioned moving forward, with AU$90 million in cash and listed investments.
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Securities Disclosure: I, Gabrielle de la Cruz, hold no direct investment interest in any company mentioned in this article.
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