Gold producer Troy Resources has received the finalised environmental permit for the construction and operation of its highly rated Karouni gold project.

Shares in Ramelius Resources surged after the gold miner announced encouraging drilling results from its Blackman project 30km north of Mt Magnet.

Shares in Metals X firmed after the multi-commodity miner announced encouraging drilling results from its Rover gold project in the Northern Territory.

Flinders Mines has again upgraded the resource of its flagship Pilbara iron ore project after an upgrade of the mineral resource of its Ajax deposit.

Doray Minerals continued its strong recent run yesterday, after announcing better than expected December quarter output and flagging a fall in production costs at its Andy Well mine north of Meekatharra.

Fortescue Metals Group has temporarily cut up to 60 positions from its Cloudbreak mine in the Pilbara, though it is understood no workers have lost their jobs.

Laverton gold hopeful Stone Resources has hit fresh trouble after Nex Metals launched legal action over a failed 2011 ore processing agreement.

Australia's use-it-or-lose-it crackdown on the owners of gas resources discovered off WA decades ago is set for another test after ExxonMobil and BHP Billiton quietly asked for an extension to their stranglehold on the massive Scarborough field.

Fortescue Metals Group has announced a 300 million tonne resource upgrade for its Chichester hub operations in the Pilbara.

Investors in WA's small-cap energy sector are hoping their more than $200 million payday will not be scuppered by the collapsing oil price, which yesterday slumped to a fresh five-year low.

Cauldron Energy is free to pursue plans to drill for uranium on Andrew Forrest's family cattle station after Mines Minister Bill Marmion handed the explorer a win in the company's 30-month fight with the Fortescue Metals Group billionaire.