Chile's state-owned copper giant Codelco announced a partnership on Monday with British-Australian miner Rio Tinto to extract lithium from a salt flat that contains the world's second-biggest deposits ...

Chile's Codelco will partner with global mining giant Rio Tinto for its new Maricunga lithium project, the state miner said ...

But the number of fatalities has dropped in recent years, thanks to first responder training and use of specially designed rescue tubes. In 2008 and 2009, fewer than half of grain entrapments ...