Newsvine - BLACKHAWK MINES: COPPER DEMAND EXPECTED TO RISE Posted on May 2, 2012 by blackhawkmines Rate this Two of the biggest mining firms in the world, Rio Tinto PLC and BHP Billiton Ltd are teaming up to invest over USD 4 billion to boost their COPPER - 0 views
-
takki osawa on 09 May 12BLACKHAWK MINES: COPPER DEMAND EXPECTED TO RISE Posted onMay 2, 2012 by blackhawkmines Rate this Two of the biggest mining firms in the world, Rio Tinto PLC and BHP Billiton Ltd are teaming up to invest over USD 4 billion to boost their COPPER output, according to their announcement on Tuesday.