PPX Mining Intersects High-Grade at Callanquitas Sulfide Zone with up to 49.52 g/t Gold, 11,597 g/t Silver and 11.1% Copper https://www.accessnewswire.com/newsroom/en/metals-and-mining/ppx-mining-intersects-high-grade-at-callanquitas-sulfide-zone-with-up-to-49.52-g%2f-1090003 TORONTO, ON / ACCESS Newswire / October 21, 2025 / PPX Mining Corp. (TSX.V:PPX)(BVL:PPX