UPDATE 1-Antofagasta, Barrick in dispute with Pakistan area
October 20, 2011 at 14:41 PM EDT
LONDON, Oct 20 (Reuters) - Tethyan Copper, a joint venture of London-listed copper miner Antofagasta Plc and Canada's Barrick Gold Corp , has filed a "notice of dispute" with Pakistan's Baluchistan province over its Reko Diq mine.
