Kennecott Utah Copper Corp. is proposing an expansion of its Bingham Canyon mine that would extend its life to 2034.

Rescue crews planned to start the hourslong five-mile trek into a West Virginia coal mine Thursday to find signs of possible survivors of the worst U.S. mining disaster in a generation.

Gov. Bobby Jindal says he's proposing the state set aside $65 million in its annual construction budget for a possible $2 billion pig iron plant in southeast Louisiana by steelmaker Nucor Corp.

AK Steel's coke plant in Ashland, Ky. has received the Max Eward Safety Award from the American Coke and Coal Chemicals Institute.

Inmet Mining Corp. has arranged a $500-million equity financing through Ellington Investments Pte.

A subsidiary of mining giant Arch Coal Inc. sued the Environmental Protection Agency on Friday over the planned veto of a water quality permit for West Virginia's largest surface mine.

Australia's prime minister said March 30 that secrecy surrounding China's trial of four Rio Tinto workers for commercial spying leaves room for doubt about the convictions and a major Australian commerce group said the result could harm business confidence.

SHANGHAI: Steelmakers are fighting back over attempts by the US$200 billion iron ore mining industry to raise the cost of their main raw material, calling for regulators to investigate an "oligopoly" that inflates prices.

If the veto is finalized, it would invalidate a permit first issued in 2007 for the Army Corps of Engineers at the Spruce No.

Rio Tinto said Monday that in accordance with its company policies, it will terminate the employment of the four Shanghai-based employees convicted of bribery and spying charges, saying in a statement the evidence it had reviewed in relation to the bribery charges pointed to "deplorable" conduct that was "at odds" with its ethical culture.

The heavy clank of machinery rings out across a seemingly deserted Outback mine site as an invisible satellite signal fires Rio Tinto's production line into motion.

TRAVERSE CITY, Mich. - Kennecott Minerals Co. says it no longer needs federal authorization to build and operate a nickel and copper mine in Michigan's Upper Peninsula, so construction can begin soon.