Depleting Escondida drops BHP copper production

[caption id="attachment_836403" align="aligncenter" width="600"] Escondida mine in Chile. Source: Nasa[/caption] In its operational performance report BHP Billiton (ASX:BHP, NYSE:BHP) announced on Tuesday its first quarter iron ore production rose 7% to 61.3 million tonnes compared to last year and on track...