Archives: Metallurgy

Pybar Mining Services has started up underground mining at Heron Resources’ Woodlawn zinc project in New South Wales, Australia, ahead of full commissioning by the end of the year. The company entered into a four-year underground mining contract with Pybar in February and the contractor has now kicked off mining. This includes the ground support[…]

The prefeasibility study on Denison Mines’ Wheeler River uranium project, in the Athabasca Basin of Canada, has brought with it a significant change in the mining process for the high-grade Phoenix deposit. Denison is now considering the use of in-situ recovery (ISR) mining at Phoenix, a lower cost method than the previously considered jet bore[…]

Hummingbird Resources has decided to add a second ball mill to its Yanfolila mine in Mali, only nine months since the operation started producing gold. The addition of a second ball mill at Yanfolila is in place of the tertiary crusher the company initially thought would be suitable for later life as the operation transitioned[…]

Westwater Resources (WWR) , an energy materials development company, has engaged two expert organizations, Metpro Management and Polaris Laboratories to propel the development of its battery-ready graphite business. These relationships will assist the company’s plan to begin generating revenues in the fourth quarter of 2020. Additionally, once process testing is completed, Westwater should be able[…]

FYI Resources Ltd provides a summary outline of its optimised high purity alumina (HPA) process flowsheet designed specifically for the kaolin feedstock from FYI’s Cadoux project in Western Australia. This follows the recent achievement of independently verified 99.997% HPA from Cadoux. Highlights: • Extensive metallurgical test work undertaken on Cadoux’s superior kaolin characteristics • FYI’s[…]

Avalon Advanced Materials has moved a step closer to incorporating sensor-based ore sorting into its plans at the East Kemptville tin project in Nova Scotia, Canada, after the latest testwork came back with positive results. As recently as July, the company said ore-sorting technology had the potential to upgrade the feed material to the processing[…]

The preliminary economic assessment on Nevada Copper’s Pumpkin Hollow open-pit project has given the company food for thought, just as it starts construction on the underground mine. Golder Associates and Sedgman Canada produced the PEA, which showed a 37,000 t/d (short) open-pit mine producing 80,286 t/y of payable copper at a C1 cash cost of[…]

The merger of SRK Canada and Labrecque Technologies Inc (LTI) is set to broaden the scopes of the two companies’ service offerings within the mining and minerals industries. The two have worked together on many underground mining projects in North America, the UK, Russia and the Philippines, most recently pairing up for simulation work on[…]

The first stage of Lithium Australia’s SiLeach® pilot plant trial at ANSTO’s minerals piloting facility in New South Wales has ended with the production of a lithium-pregnant liquor from lepidolite feed. Stage two of the pilot will see this liquor processed into lithium chemicals, according to Lithium Australia Managing Director Adrian Griffin. LIT’s SiLeach process[…]

The Environmental Permit for Peak Resources Ltd’s planned rare earth separation plant in the UK has been granted by the Environment Agency. The permission is a significant milestone in the development of the Ngualla rare earth project and the primary regulatory hurdle required to allow the operation of the plant in Teesside. Following the receipt[…]