BRIEF-Grupo Mexico sees Tia Maria copper mine producing in 2017
April 16 (Reuters) - Grupo Mexico :
* Grupo Mexico says expects Tia Maria mine project in Peru to begin operating halfway through 2017
* Grupo Mexico expects the Tia Maria project to produce 120,000 metric tons of copper cathodes a year
* Grupo Mexico says subsidiary Southern Copper expects total investment in tia maria project to be up to $1.4 billion Further company coverage:
Previous story: (Reporting By Elinor Comlay and Gabriel Stargardter)
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