The giant copper pit Chile is betting its future on

BHP detailed to investors this week plans to spend $10.7 billion to $14.7 billion within about 10 years.

The Cobre Panama mine paid the price for the accumulated national discontent, said President José Raúl Mulino.

Chemaf agreed to sell its assets to Chinese defence and industrial giant, China North Industries Corp, or Norinco in June.

The restart marked exactly a century since the mine first went into production.