Rio Tinto, Minmetals looking for copper, zinc-lead in China - Rio Tinto Group (NYSE:RIO) | Seeking Alpha

Rio Tinto, Minmetals looking for copper, zinc-lead in China - Rio Tinto Group (NYSE:RIO) | Seeking Alpha: Rio Tinto ([[RIO]] +4.4%) says it is looking for copper and zinc-lead deposits in four Chinese regions as part of an exploration venture with state-owned C

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