VANCOUVER, British Columbia, Sept. 04, 2025 (GLOBE NEWSWIRE) -- Highland Copper Company Inc. (TSXV: HI; OTCQB: HDRSF) (“Highland” or the “Company”) is pleased to announce positive results from its ...

Comparison of L150 Jameson cell mass pull versus recovery curve with 3-stage dilution and 2025 baseline rougher tests. VANCOUVER, British Columbia, Sept. 04, 2025 (GLOBE NEWSWIRE) -- Highland Copper ...

Optimized Process Circuit: Adopted a mill-float-mill-float (“MF2”) flowsheet including a de-sliming stage prior to the secondary milling stage. The addition of a de-sliming stage ahead of the ...

Process flowsheet and reagent scheme optimization Preliminary rougher flotation testing revealed that the Copperwood ore body contains bimodal mineralogical fractions: a fast-floating component that ...