South32 partner outlines economics for big copper project

SOUTH32's joint venture partner Trilogy Metals has announced higher costs for the Arctic copper-zinc-lead-silver-gold project in the Ambler mining district of Alaska, compared with the 2017 prefeasibility study.

South32 partner outlines economics for big copper project South32 partner outlines economics for big copper project South32 partner outlines economics for big copper project South32 partner outlines economics for big copper project South32 partner outlines economics for big copper project

The Ambler project in Alaska

Much of the increase was due to the impact of higher precipitation estimates on water management infrastructure and operating costs, and changes in power supply from liquified natural gas to diesel.