Chile says revived Argentina mining treaty could unlock $20.7bn, boost copper supply

Chilean Mining Minister Daniel Mas said on Thursday that reviving a mining integration treaty with Argentina could unlock more than $20.7-billion in investment and add 540 000 metric tons of copper a year to the market. The two countries held talks in July to relaunch the cooperation mechanism and are due to meet again at the end of August.
2026-08-14 07:08:00