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Inter Press Service: Declining mineral content, the need to preserve the environment, and technological advances are causing big mining companies to turn back to underground mining in what is a rising trend in Chile and around the world, experts say.
Juan Carlos Guajardo, head of the Centre for Copper and Mining Studies (CESCO), told IPS that "not only Chile is opting for underground mining, but the industry itself is evolving towards that kind of extraction."
The trend, he said, "is because large deposits that......
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Mining in Chile Going Back Underground
Posted by Inter Press Service: Marianela Jarroud on August 23rd, 2013
Posted in Water Conservation