Rio Tinto Halts Oyu Tolgoi Underground Operations After Rockfall Injures Three
Rio Tinto suspended underground operations at its Oyu Tolgoi copper mine in Mongolia after a seismic event triggered a rockfall that injured three employees.
By Rhiannon HoyleRio Tinto said it has suspended underground operations at the Oyu Tolgoi copper mine in Mongolia after a seismic event late Thursday triggered a rockfall that injured three employees.The miner said the seismic activity occurred along a rock fault zone at Oyu Tolgoi at roughly 6 p.m…