North America

Canada's Diavik Diamond Mine operator Rio Tinto has approved the construction of a fourth pipe at the remote sub-Arctic Diavik mine site.   Estimated to cost $350m and take four years to complete, the A21 kimberlite pipe development located south of Diavik's existing mining operations is said to be part…
The US Federal District Court for Alaska has granted Northern Dynasty Minerals' Pebble Limited Partnership's (PLP) request for a preliminary injunction in its litigation against the US Environmental Protection Agency (EPA).   The EPA says that the company's proposed Bristol Bay copper-gold mine project in Alaska would violate the US…
Diversified base metals mining company Lundin Mining has commenced commercial production at Eagle mine in the Upper Peninsula of Michigan, US.   The mine is said to be a high-grade nickel-copper mine, which began operations in September 23 ahead of schedule. The company claims the achievement was made within two…
AMEC Americas has secured an engineering, procurement and construction (EPC) management services contract from Pretium Resources for Brucejack gold project in northern British Columbia, Canada.   AMEC has been involved with the Brucejack project as a third party reviewer of the June 2014 feasibility study for a 2,700t a day…
US metallurgical coal producer Alpha Natural Resources will cut 412 jobs prior to the sale of its Pennsylvania operations to Rosebud Mining. In October, Rosebud Mining agreed to acquire central Pennsylvania-based Amfire Mining from Alpha Natural Resources for $86m.   Rosebud Mining will take over Amfire's five deep mines and…
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