Chinese iron ore traders face uncertainty after Vale’s Brazilian mine disaster

"As long as the world’s most important central banks are stepping back from further monetary stimulus, and China’s appetite for raw materials slows down, the earnings trajectory for metals and mining companies may still be downward."

Miners would pay 15% rather than 10%.

"Smart blasting, mineral pre-concentration, novel flowsheets and new grinding technologies are just a few of the different strategies which can improve cost effectiveness."

Looking for copper and gold assets.

Glencore Xstrata, Brazilian investment bank BTG Pactual and Dutch trading company Trafigura among the runners up.

A 7% rally in the price of iron ore came to an abrupt end on Friday.

Planetary Resources is now going for $2 million and has created new incentives to lure backers.

Expansion plans should lift BHP's Australian iron ore capacity to 220m tonnes a year.

An important emerging source of the world’s iron.