Article: Rio Tinto Announces US$652 Million Investment in Continued Pre-Feasibility Studies on Deep Porphyry Copper Deposit in Arizona.

LONDON -- Rio Tinto has announced an investment of US$652 million (Rio Tinto share US$341 million) to support continued pre-feasibility studies on a large, tier-one copper deposit at its Resolution Copper Mining LLC (RCML) operation in Superior, Arizona.

Pre-feasibility studies are expected to be completed by 2012 with production at the new mine expected to start by 2020, eventually ramping up to 500,000 tonnes per annum of copper.

Rio Tinto is a significant global copper producer with high quality assets and an interest in four of the world's ten largest undeveloped copper deposits, including Resolution*. In 2007, copper was the biggest contributor to ...

Related newspaper, magazine, and journal articles:

 
 
Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 80 million articles! Access over 6,500 publications with a FREE trial!