Refractory gold ores present significant challenges to conventional extraction methods. In these ores, gold is tightly encapsulated within sulphide minerals or locked by carbonaceous matter, thereby ...

The PEA initially contemplated a single 3,000 tonne per day (“TPD”) processing circuit for sulphide ore that was expected to produce average annual gold production of approximately 62,000 ounces of ...

PERTH (miningweekly.com) – Gold miner Millennium Minerals on Wednesday reported that the Stage 1 sulphide plant expansion at its Nullagine gold project, in Western Australia, has delivered its first ...

Dual-listed Alacer Gold has processed the first sulphide ore through its newly constructed sulphide plant at the Çöpler mine, with the first autoclave coming on line over the weekend and now operating ...

VANCOUVER, BC / ACCESSWIRE / November 27, 2019 / EnviroLeach Technologies Inc. ("EnviroLeach"), (CSE:ETI)(OTCQB:EVLLF)(FSE:7N2), a global leader in innovative and eco-friendly precious metal ...

GoldHaven Resources Corp. (“GoldHaven” or the “Company”) is pleased to provide a comprehensive update on its inaugural ...

The Witwatersrand Basin in South Africa holds the world’s largest gold deposits across a 200-km long swathe. Individual ore deposits are spread out in thin layers over areas up to 10 by 10 km and ...

VANCOUVER, British Columbia, Dec. 09, 2025 (GLOBE NEWSWIRE) -- Asante Gold Corporation (TSXV: ASE | GSE: ASG | OTCQX: ASGOF) ...

TORONTO, ON / ACCESSWIRE / December 4, 2024 / PPX Mining Corp. (PPX:CA) (the "Company" or "PPX", including its Peruvian subsidiaries) is pleased to announce that a 2,222 DMT lot of sulfide ore from ...

Nuton technology uses naturally occurring microorganisms to extract copper from primary sulphide ores, which are generally difficult to process.