Gold Ten Futures, August 6, according to foreign media reports, Australian mining company BHP Billiton (BHP) said it has asked the Chilean government to mediate with the union representing workers at the Escondida mine, a move aimed at avoiding a possible strike at the world's largest copper mine project. BHP Billiton pointed out in a statement that the mine is currently operating normally and the purpose of the mediation is to reach a contractual agreement with the miner. BHP owns more than hal...