The project now contains 423 million indicated tonnes grading 0.41 gram gold per tonne, 0.22% copper, 4.6 grams silver and 41 parts per million molybdenum.

The deal raises Polyus' stake in Sukhoi Log, one of the largest untapped gold deposits in the world, to 63.4%.

The company expects to complete the Goldboro feasibility study this year.

Mining stopped on March 8, when members of the Asociación Obrera Minera Argentina (AOMA) downed tools, and processing activities have now also ceased following the exhaustion of surface stockpiles.

The US Bureau of Land Management approved Arizona Silver's Notice of Intent to start exploration drilling on the Philadelphia project.

Polymetal increased its ore reserves by 15 percent last year to 24 million ounces of gold equivalent.

After a parade of insults, suspect numbers and pitch decks, Barrick Gold Corp. and Newmont Mining Corp. have agreed to a deal.

The deal will allow the Canadian miners to consolidate their Karankasso and Mana properties.