Mining

Seven Group Holdings chief executive Don Voelte has stepped down from his role as chairman of oil and gas junior Nexus Energy, saying the position was no longer appropriate as Seven Group eyes opportunities in the oil and gas sector.

Macmahon Holdings has returned to profitability but warned that tough conditions for companies servicing the mining industry are unlikely to pass anytime soon.

Engineering group RCR Tomlinson says its $140 million purchase of infrastructure business Norfolk Group is paying dividends, announcing a 14 per cent increase in half-year net profit.

Engineering contractor Monadelphous Group has posted a record half-year net profit of $87.1 million, with cost-cutting efforts offsetting softer revenue.

Alcoa of Australia has announced it will permanently close its Point Henry aluminium smelter at Geelong in August because it has "no prospect of becoming financially viable" in another blow to the nation's manufacturing sector.

Western Areas is looking to raise $104 million to reduce debt and provide greater financial flexibility after a positive half-year report which saw the nickel miner turn a big loss to a modest $2.7 million net profit.

BHP Billiton has delivered a better than expected half year profit based on cost cutting rather than commodity prices while predicting the good times to continue.

Gold and silver have hit fresh multi-month highs on the European spot market, although analysts say there are near-term risks to further gains.

Energy and Minerals Australia has appointed former state government minister Cheryl Edwardes as chairman, replacing Mike Young who has taken a new role as managing director.

The Australian Institute of Marine Science has teamed up with three universities for a major environmental study off the state's Kimberley coast that will be funded by gas project developers Shell

The Tony Sage-chaired Cauldron Energy is lobbying the state government to ignore the advice of the mining warden and allow the company to explore for uranium at pastoral leases on Andrew Forrest's

Battling vanadium producer Atlantic has revealed it could take up to nine months to repair fire damage to the processing plant at its Windimurra mine in the Mid West.

The failure of construction company Forge Group has forced Roy Hill's major contractor, Samsung C&T, to consider alternative ways to continue work on the iron ore project, including the possibi

Drilling fluids and equipment supplier Imdex has reported another fall in net profit, after a record half-year performance by its oil and gas division was offset by further contraction in its minin

Engineering and property services group UGL is hopeful of growing earnings in 2014 despite fielding offers for its property business.

Oil and gas explorer Oilex has raised $6.8 million to fund development and drilling at its Cambay oilfield in India's Cambay Basin.

Freight rail operator Aurizon has suffered a 39 per cent slide in first half profit due to asset writedowns and redundancy costs.

Gold has posted the biggest weekly gain since August as signs of a faltering recovery in the US economy boosts demand for precious metals as a haven.

In hindsight, Forge Group founder Peter Hutchinson was unwittingly prophetic when he spoke to Business News in June 2012, on one of his last days at the company. Explaining his decision to hand the reins to more experienced managers, Mr Hutchinson said he wanted to ensure Forge didn't enter the “graveyard of mining services contractors that have come unstuck”.

Gold miner Perseus Mining has plunged to a $4 million interim net loss, as a decrease in gold production at its flagship Edikan mine as well as a 12.5 per cent fall in its gold sales price weighed

Iron Ore Holdings has taken another step towards the commencement of its Buckland iron ore project in the Pilbara, gaining environmental approval from the state government for its mine and associated infrastructure and haul roads.

Opposition leader Bill Shorten has attempted to rebuild bridges with Western Australia's major mining identities, admitting to past Labor mistakes while touting Perth as the iron ore capital of the

Sirius Resources has taken full ownership of its highly-rated Nova-Bollinger nickel deposit, buying out major shareholder Mark Creasy's 30 per cent stake for a stock and cash package worth nearly $

A third consecutive year of weak uranium prices has led to Paladin Energy's half-year net loss increasing to $US255 million.

Perth-based mining services provider Calibre Group has been awarded a $22 million contract to provide management services for the brownfields expansion of Rio Tinto's West Angelas iron ore mine in the State's north west.

Newcrest Mining has suffered an 88 per cent profit drop after being hit by a slide in gold prices, a massive tax bill and writedowns.

Gold has posted the longest rally since July 2011, topping $US1,300 an ounce for the first time since November, after signs of faltering US economic growth added to the increasing investor appetite for haven assets.

Former WesTrac chief executive Jim Walker is set to step up to the role of chairman at Macmahon Holdings, replacing incumbent chair Ken Scott-Mackenzie who will retire next month.

Premier Colin Barnett has warned more workers could lose their jobs this year, after the collapse of contractor Forge Group and a jump in the state's unemployment rate.

Mining giant Rio Tinto posted a full-year profit of $US3.7 billion in 2013, with large cost reductions and production records driving its underlying profit growth.

Mike Young has been confirmed as the new chief executive of Energy and Minerals Australia as a condition of a deal to secure more debt funding for the uranium explorer.

Gold miner Doray Minerals plans to accelerate drill testing of near-mine exploration targets at its Andy Well gold project in the Murchison region following a $17 million capital raising.