Rio Tinto plc

Rio Tinto on Friday said it had moved a step closer to the development of a new copper project in Arizona, one of the few new major known deposits of the metal, with the potential to meet around a quarter of U.S. demand.

Rio Tinto announced its highest margins in a decade and a record dividend payout on Thursday, but acknowledged it was grappling with operational issues in Australia and Mongolia.

Anglo-Australian miner Rio Tinto on Thursday reported a 12% jump in first-half profit and declared a bumper dividend, as red hot iron ore prices helped offset the impact of disruptions caused by a cyclone in late March.

Rio Tinto-controlled Turquoise Hill Resources said an impairment charge at the cash-generating unit of its Oyu Tolgoi copper mine in Mongolia led to the company missing estimates for second-quarter profit on Wednesday.

Rio Tinto-controlled Turquoise Hill Resources said an impairment charge at the cash-generating unit of its Oyu Tolgoi copper mine in Mongolia led to the company missing estimates for second quarter profit on Wednesday.

Energy Resources Of Australia Ltd (ERA) said on Thursday its majority owner Rio Tinto had offered to help underwrite part of the cost of rehabilitating the Ranger uranium mine in the Northern Territory.

Looking for a long-term bullish signal for copper? Then look no further than Rio Tinto's struggles with the Oyu Tolgoi mine and expansion project in Mongolia.

Looking for a long-term bullish signal for copper? Then look no further than Rio Tinto's struggles with the Oyu Tolgoi mine and expansion project in Mongolia.

Mongolia will vote in August to rip up parts of an investment agreement with Rio Tinto for the Oyu Tolgoi copper mine, which may force the miner to make concessions in a project beset by delays and political squabbles.

Rio Tinto on Tuesday flagged a cost blowout of up to $1.9 billion and a delay of up to 30 months at its Oyu Tolgoi underground copper mine in Mongolia, the miner's key growth project.

Global miner Rio Tinto reported a 3.5% drop in second-quarter iron ore shipments on Tuesday, as disruptions caused by a cyclone in late March squeezed output in the April-June period.

At least three companies including Glencore have expressed an interest in buying Rio Tinto's aluminum assets in Iceland, Sweden and the Netherlands for up to $350 million, banking sources said.

At least three companies including Glencore and Trimet Aluminium have expressed an interest in buying Rio Tinto's aluminium assets in Iceland, Sweden and the Netherlands for up to $350 million, banking sources said.

Rio Tinto <RIO.L><RIO.AX> named Barbara Levi as its new general counsel and group executive on Monday, replacing Philip Richards.

Norway's $1 trillion wealth fund can invest again in miner Rio Tinto and retailer Walmart after their exclusions from the fund's investments on ethical grounds were revoked, the board of the central bank said on Tuesday.

Norway's $1 trillion wealth fund can invest again in miner Rio Tinto and retailer Walmart after their exclusions from the fund's investments on ethical grounds were revoked, the board of the central bank said on Tuesday.

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** London-listed shares of Anglo-Australian miner fall 3.7% to 4698p; stock among biggest losers on the FTSE 100

Namibia's mines and energy minister said he has no objection to Rio Tinto's sale of its uranium mine stake to China provided it respects the African nation's laws.