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Economics weaken as Trilogy updates Arctic feasibility

Trilogy Metals has announced an updated feasibility study for its Arctic copper-zinc-lead-silver-gold project in the Ambler Mining District of Alaska, USA, for a 10,000tpd conventional open-pit mine-and-mill complex operation for a minimum 13-year mine life.

Paul Harris
Trilogy Metals' Arctic in Alaska, USA

Trilogy Metals' Arctic in Alaska, USA

Annual metal production falls slightly to 148.8Mlb copper, 172.6Mlb zinc, 27.8Mlb zinc, 32,539oz gold and 2.8Moz silver following an initial capital cost of US$1.7 billion, up from $1.2 billion in the...

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