This translates to around 100,000 tonnes per year of copper concentrate.
The Yerington, Nevada, project will ship its first copper concentrate - produced from development ore stockpiled during the construction of the underground mine - in the coming weeks, US miner Nevada Copper said on Monday December 16.
is the first US copper project to commence production in the past decade.
The construction of the processing facility took about 16 months and cost Nevada Copper $200 million. The estimated cost of copper production at Pumpkin Hollow is $1.86 per lb.
The underground mine at Pumpkin...