Mining

Investors have dumped Oz Minerals stocks to 10-year lows after it slashed production guidance in its quarterly update.

Calibre Group has been awarded a $140 million contract to upgrade the Hay Point coal export terminal in Queensland for the BHP Billiton Mitsubishi Alliance.

Gold miner Troy Resources has secured $40 million in loans from financier Investec Bank to bolster its coffers as it works through its $188 million takeover of Azimuth Resources.

Rare earths miner Arafura Resources has shelved plans to build a chemical processing facility at Whyalla in South Australia, saying relocating the proposed plant to its Nolans Bore project in the N

Western Australia is still the nation's economic powerhouse, and the gap between the best- and worst-performing states in the country appears to be widening.

Reed Resources shares shot up on the ASX today after the gold miner said it had received a $27 million windfall after closing its gold hedge book.

Straits Resources is on the lookout for a new chairman, following the resignation of incumbent Adrian Redlich less than six months after taking the job.

Diversified explorer Metals X has signed SNC-Lavalin Australia as lead engineer for a definitive feasibility study at its Wingella nickel-cobalt project in the north-east of the state.

Lynas expects demand for its products to grow over the medium term after beginning production of its first separated rare earths products in the March quarter.

Tony Sage's Cape Lambert Resources has lined up a new agreement to sell its Leichhardt copper project in Queensland for $14.75 million, after the original $25 million proposal fell over.

Santos is sticking with its full year production targets despite suffering a slide in the first quarter.

Rio Tinto chief executive Sam Walsh says the company will focus on divesting non-core assets as it strives to save $US5 billion ($A4.87 billion) through to 2014.

Civil and mining contractor NRW Holdings has won a $67 million contract at Gina Rinehart's Roy Hill iron ore mine in the Pilbara.

Shares in Perth-based Swala Energy have slipped slightly on their ASX debut, dropping 1 cent in limited trade.

Equipment hire contractor Viento Group has won a $5 million contract with Ansaldo STS for upgrades to Rio Tinto's iron ore rail network.

Tap Oil managing director Troy Hayden has signed a new contract that offers lower cash income but more incentives linked to the company's share price performance.

Former BC Iron managing director Mike Young has joined uranium miner Energy and Minerals Australia as its new chairman.

Iluka Resources is eager for Chinese apartment dwellers to use tiles in their homes, as the company flags further cuts to production.

Woodside Petroleum has posted a sharp jump in quarterly production and sales revenue, driven by its new Pluto project, but has raised doubts about the proposed expansion of the flagship liquefied n

Fortescue Metals Group is confident of meeting its full year production targets after unveiling its latest quarterly results.

BHP Billiton's new boss Andrew Mackenzie has shaken up the global miner's leadership group, with petroleum boss Michael Yeager leaving the company but Perth-based iron ore president Jimmy Wilson an

Premier Colin Barnett says he isn't punishing Woodside for shelving its Browse gas project by casting doubt on its gas leases.

Alltype Engineering has won a significant supply and fabrication contract at Chevron's Gorgon liquefied natural gas development.

Junior explorers Highfield Resources and Venturex Resources have braved an uncertain market, announcing plans to raise up to $16.4 million collectively.

Atlas Iron is confident of meeting its full year producrion targets as it continues talks about developing a Pilbara rail solution to support its longer term growth.

Western Australia could become a world leader in offshore engineering expertise if it continues to invest in research, a leading academic says.

Mining services groups Ausdrill and Emeco have joined peer Calibre Group in announcing the general slowdown in mining and exploration activity in Australia will take a big chunk out of their expect

BHP Billiton's shares have opened higher after it maintained full year production guidance for key commodities in its latest quarterly report.

Gold snapped higher overnight, reboundinvg a day after the biggest selloff in 30 years amid signs that the lower prices were luring buyers of bullion, coins and jewellery.

Mermaid Marine managing director Jeff Weber has sold $5.4 million worth of shares in the company, to fund the exercise of incentive options and the associated tax liabilities.

Perth-based Venture Minerals has signed a $15 million debt finance deal with international bank BNP Paribas, which will ensure it is fully funded to production at its Riley direct shipping iron ore

Mining giant Rio Tinto says global iron ore production increased to 61 million tonnes in the March quarter, up six per cent on the same period last year.