The Havieron decline passes through Permian sandstone deposits. Some of this consists of unconsolidated silty sands.
David was asked by Newcrest Mining to provide advice on reducing and controlling the water ingress into the tunnel
The Havieron decline passes through Permian sandstone deposits. Some of this consists of unconsolidated silty sands.
David was asked by Newcrest Mining to provide advice on reducing and controlling the water ingress into the tunnel