Torex Gold Resources (TSX: TXG) says it has resumed operations at the El Limón Guajes (ELG) underground mine in Mexico while an investigation continues into a carbon monoxide leak that killed ...

What began life as open pit in 2005 is now two underground mines – Reid Brook and Eastern ... up from about 600 pre-expansion. At the height of construction, 3,400 direct and indirect employees ...

Mining companies in the past dug vertical tunnels deep underground to reach gold. Unauthorised miners travel into these old, often unstable shafts, and use basic materials like picks and buckets ...