In Q1 2025, Highland initiated a metallurgical test program with the goal of improving the process plant design, incorporating ultrafine flotation technology, and broadly reconsidering the operating ...

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 ...

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