Rio Tinto plc

Aerial view of the heap-leach facilities near the Pipeline pit at Placer Dome and Rio Tinto's Cortez gold-mining complex in Nevada.

Speculation runs high on Battle Mountain-Cortez trend

Elko, Nev. — The search for gold along the Battle Mountain-Cortez trend in north-central Nevada has been re-energized by the Cortez Hills discovery, a 7.5-million-oz. oxide deposit that is still being drilled off by partners Placer Dome<...



Aussie miner charged after uranium incident

Uranium miner Energy Resources of Australia (ERA), most of which is owned by London-based Rio Tinto (RTP-N), has been charged in connection with a uranium spill at its Ranger mine in the Northern Territory.


Nevada Pacific, Placer ink two Nevada deals

Vancouver — Nevada Pacific Gold (NPG-V) has signed two more deals with Placer Dome (PDG-T) on gold properties in northern Nevada, one in the Cortez area and the other in the Carlin trend.


Base metals looking better

Stock markets south of the border moved sideways over the trading period Sept. 15-21, with a quarter-point interest rate increase by the Federal Reserve making little impact on share prices. The Dow Jones Industrial Average was off fractionally at…


An aerial view of the Diavik mine located on a 20-sq.-km island in Lac de Gras in the Northwest Territories. Diamond-rich ore is mined from the A-154 South pipe (centre) and trucked to the processing plant situated in the upper left of the photo.

Diavik turns in strong performance

Exceeding expectations in nearly all aspects, the Diavik diamond mine in Canada’s Far North is operating well ahead of original design.


Fortescue eyes Chinese gravy train

Fortescue Metals Group is posing a challenge to the dominance of BHP Billiton (BHP-N) and Rio Tinto (RTP-N) in Western Australia’s iron ore sector.


Vaaldiam personnel sampling the Tumeleiro 3 kimberlite pipe at Pimenta Bueno. A 163-kg sample Rio Tinto collected from the pipe in the mid-1990s graded 17.84 carats per tonne.

Vaaldiam hunts for Brazilian diamonds

A rejuvenated Vaaldiam Resources (VAA-V) has been busy these past eight months carrying out grassroots exploration on its Pimenta Bueno diamond property in Brazil.


Placer Dome adds to Cortez Hills discovery

Midway through a US$10-million exploration campaign at the Cortez gold mine in Nevada, Placer Dome (PDG-T) has started a feasibility study. The move comes after the major increased proven and probable reserves by 2 million oz.,…


Galore Creek looks good for NovaGold

Vancouver — A preliminary economic assessment of NovaGold Resources‘ (NG-T) Galore Creek project, in the Stikine gold belt of northwestern British Columbia, envisions an open-pit operation capable of mining 30,000 tonnes per da…


Interest rate worries sink US boards

Downbeat economic news, high crude oil prices, and the expectation that the U.S. Federal Reserve would increase interest rates brought U.S. stock markets lower in the reporting period Aug. 4-9. The S&P 500 Index fell 34.47 points, or 3.1%, to 1,06…



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