World's largest primary silver mine by annual production is BHP Billiton's.

Who were the top earners in 2013?

"It's about being selective and trying to find turnaround candidates."

The field-configurable CSI 9360 delivers real-time information about rotating equipment for operational decision-making

Representing most major mines in South Africa, Clear Asset continued to break ground taking a wide selection of assets to auction while providing full due diligence, images, specifications and service history per asset (where possible) in an effort to remove the uncertainty often related to auction purchases.

Shares in the company fell by almost 8% on the news, hitting an all-time low.

It's also a religious retreat.

Chief Executive Officer Andrew Mackenzie said the project ramains in BHP's main plans, but added the firm is not in a rush to develop it.

Last year alone 1,049 people were killed or went missing in mining-related accidents in China.