The full extent of the financial haemorrhaging at Collie's besieged Griffin Coal has been laid bare after the miner lost more than $3.6 million a week in the three months to December 31.

Mines Minister Bill Marmion has conceded the WA Government's drawn-out royalty review has thrown uncertainty over the mining sector, saying it should be made public as soon as possible.

Engineering group Monadelphous has suffered a 30 per cent slide in its half-year profit and lowered its dividend as the mining investment downturn continues to bite.

Iluka has posted a full-year loss of $62.5 million as demand and prices for its mineral sands products remained in the doldrums.

Gina Rinehart's dispute with Channel 9 over its version of her life story is far from over, with lawyers acting for Australia's richest person foreshadowing a multimillion-dollar legal battle with the network.

An exploding tyre has killed one mine worker and seriously injured another man at a Central Queensland coal mine.

Workers at the troubled Griffin coal mine would suffer an overnight pay cut worth about $50,000 under one of three wage options put to them this week.

Imdex has posted a 37 per cent slump in first-half profit to $9.7 million, despite a 12.3 per cent jump in revenue to $114.4 million.

Gold mining giant Newcrest has flagged the potential sale of the Telfer mine in Western Australia, one of its main assets.

Roy Hill iron ore project head contractor Samsung C&T has brought in a private Queensland company to complete port works after terminating Laing O'Rourke's contract this week.

Mining magnate Gina Rinehart has launched an urgent legal bid to force Nine Network to hand over the second half of its show House of Hancock, amid concerns about falsehoods and defamation.