Low production of rough diamonds alarms India

The group said it will consider the base metals business demerger at a later stage.

Global gold production will peak at about 3,250 tonnes (105 million oz.) next year, according to CRU's Oliver Blagden.

Indonesia is now considering deep cuts to nickel mining quotas as it seeks to boost slumping prices of the metal.

BHP needs to offer at least a 40% premium over Anglo's share price for a new takeover bid, but its CEO has committed to spending discipline.