Chile maintains copper production
Legal action possible
Chile copper miner says projects delayed; production ok
Zaldivar and Centinela unions vote to strike
Focus on exploration more than replenishes depletion
Declining grades impact Chile copper output
Miners need to collaborate to overcome challenges and create added value
Top court overturns four of five closure orders on giant project's Chile portion
Prohibition areas will prevent miners accessing fresh water in Chile
Barrick CEO Mark Bristow engages with governments to overcome project issues
Barrick Pendulum swings to Argentina, away from Chile