Silver

BHP's four largest projects – Olympic Dam, the Outer Harbour iron ore infrastructure project in Australia, expansion of its US shale gas operations and Jansen potash in Saskatchewan, Canada – require $120 billion in capex costs, but will only start to contribute to the bottom line by 2023.

Ivanhoe and Rio Tinto not only have to deal with higher projected mining and processing costs at the mega-mine but also development delays and most worryingly, lower ore grades.

Metals producer Doe Run Peru’s creditors rejected a restructuring plan the company presented with a view to restarting operations at the La Oroya smelter, said in a statement the Energy and Mines Ministry, Jorge Merino Tafur.

The Minerals Council of Australia (MCA) resumed today an ad campaign initially launched in July last year, attacking alleged hikes on the federal government's mining and carbon taxes.

Victor Wyprysky, President and CEO of Chieftain Metals Inc., commented: "Chieftain's immediate attention to provide a solution to the historic environmental issues at Tulsequah demonstrates the high importance we place on community and stakeholders concerns as we move "The Chief" to construction start."

Sumatra Copper & Gold has released a new reserve estimate for its Tembang gold-silver project in southern Sumatra, Indonesia.

The Vancouver company earned a profit of $26.4 million on $133.5 million in revenues for the year, up 145%, after drilling an astonishing 585,900 meters for minerals and a further 444,400 meters for energy last year.

The Vancouver-based miner gave up another 3% on Monday, bringing its losses over the past trading week to 15% as worries about grades and costs at Oyu Tolgoi – one of the richest copper and gold mines in the world – continue to mount.

TSX-listed Emed Mining hopes to re-open the Rio Tinto copper mines in southern Spain after an almost 30-year hiatus.