Pipelines, however, have proven to be neither an easier nor a cheaper solution.

Pipeline seen saving miner millions.

Current activities are paving way for coal storage, site infrastructure and initial earthworks for the installation of water management systems.

The LED10WSA-320 LED light released by Larson Electronics produces 29,446 lumens of light output while drawing only 320 watts at 12.53 amps from a 12 volt electrical system. These LED lights are ideal replacements for fragile and hit running 400 watt metal halide lamps. They offer soft start technology, a small profile, low power requirements, high durability and a shock dampening mounting system that makes these LED light emitters a superior lighting solution for rough applications where power and reliability is critical.

The mines account for over half of the company's workforce but only a quarter of production.

The world's No.1 diamond company by output also said its diamond production dipped in the first half of 2014 by 7%, standing at 15.9 million carats.

Las Bambas will be one of the world’s largest copper mines after it starts up in 2015, with annual output equivalent to more than twice the amount of copper MMG currently produces.

Hint: Environment

Northern Dynasty Minerals dropped 7.69% to 78 cents on Friday.