Why subduction zones act as the Earth's gold kitchens

Earth's "gold kitchen" lies deep beneath the seafloor. Island arcs, whose volcanoes form above subduction zones where one ...
Morningstar

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

* True Width ("TW") is approximately 70% of the drill width. The drillhole CA-25-24 intercepted the Callanquitas Este structure and Tension Vein sulfide zone, located 6 meters south of CA-24-07 (DDH ...