28 November 2014. Rio Tinto PLC approved a $350 million extension at a remote subarctic Diavik diamond mine in Canada that the resources group controls with Dominion Diamond Corp. , saying the move demonstrates its confidence in future demand for the precious gemstones.

WALL STREET JOURNAL

http://online.wsj.com/articles/rio-tinto-greenlights-350-million-canadian-diamond-mine

 

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