An engineer tasked with reviewing the spill of about two million tonnes of cyanide-soaked ore at a Yukon gold mine says it ...

Last year, a containment failure led to the release of about two million tonnes of cyanide-laced ore and water into the environment ...

Heap leaching is a cost‐effective, environmentally considerate method for extracting valuable metals from low-grade ores. This process involves piling crushed ore and irrigating it with a ...

Koryx says column leach tests of high- and low-grade samples began in June, with the primary objective of demonstrating whether a heap leach process is potentially viable for treatment of lower ...

Column leach tests of high and low-grade samples commenced in June 2025, with the primary objective of demonstrating whether a heap leach process is potentially viable for treatment of lower grade ...

Future of heap leaching in territory depends on independent review board’s recommendations being "fully reflected” in Yukon ...

Column leach tests of high and low-grade samples commenced in June 2025, with the primary objective of demonstrating whether a heap leach process is potentially viable for treatment of lower grade ...

TSX-V-listed Koryx Copper has completed a further six diamond drill holes for 1 808 m out of a planned 37 holes as part of the Phase 2 drill programme for its 2025 exploration and project development ...

The proposed sale process timeline listed in the latest receiver's report said the plan is for an initial bid deadline of Aug. 6, with the deadline for selecting qualified bids on Aug. 20.

The court-appointed receiver of a Yukon gold mine that suffered a catastrophic heap-leach facility failure last year says it plans to sell the mine and will be seeking approval within the week to ...

Bulk sample results from 2024 suggest an average grade of 0.016 oz/st Au (0.55 g/mt Au) and an expected recovery of ~70% via conventional heap leaching. The two-stage crushing is targeted to ...