Once a $70 share, Molycorp investors on Tuesday were dumping holdings at 49c after cash burn rate showed maybe two quarters left without injection.

Mine safety, whether above or below ground, is the highest priority for all operators and maintaining a high standard requires considerable effort from all parties involved. This includes the manufacturers of equipment that forms part of the safety apparatus, requiring them to meet stringent performance criteria and successfully complete extended periods of testing.

The precious metal has lost over 8% so far this year.

Costs the same as traditional IP surveys but produces mapping that's as clear at 400 metres underground as traditional IP.

Collaboration between Wits University’s School of Mining Engineering and consulting engineers SRK Consulting is nurturing scarce rock engineering expertise, benefiting the mining and other sectors in Africa and beyond.

Close to 17% of forecast 2015 US coal production is at risk of idling or closure, totalling 162 million short tons (Mst), as these mine's total cash costs plus sustaining capital expenditures exceed current market pricing, according to Wood Mackenzie's latest coal market outlook.

Facing intense public pressure to ensure tailings are handled, stored and monitored better, the Mining Association of Canada (MAC) has taken the bull by the horns.

According to analysts from Credit Suisse, Chinese importers will settle at $320 a tonne, versus $305 a tonne they paid last year.

The piece is thought to have been buried in the 1800s for safekeeping.