Sierra Metals one step closer to expanding Yauricocha mine in Peru

The Canadian firm said its Escobal mine remains unaffected by the ongoing political turmoil in the country, which has forced President Otto Perez to resign amid a corruption scandal that gutted his government.

Morgans Senior Analyst James Wilson shares the names of ASX-listed gold, iron and graphite companies worth watching.

The project is considered key for Codelco, as it is the only one that will allow the state-owned miner to increase production in the coming years.

Rio will buy all of Turquoise Hill soon says new report, but 'there's no incentive to promote the true value' of Vancouver co's giant Mongolia copper mine.

Neighbours include Imperial Mines and Pretium Resources.

Bhandari shares arbitrage opportunities he's stalking and some company stories with management teams that he thinks are close to perfect.

The cash injection comes from selling half of its interest in the Porgera mining operation to the Chinese group last May.

The Northern Territory Chief Minister has threatened to close Glencore's McArthur River operation if the miner does not improve its environmental practices.

The miners expect significant savings and environmental advantages by combining the two neighbouring projects, which are only 40 kilometres apart.