Australia's largest underground mine opened by NSW Premier. 21 May 2014. Download release; Download CEO speech; The Premier of NSW, The Hon. Mike Baird MP, today officially opened the Cadia East Gold Mine, located at Newcrest's Cadia Valley Operations, 25 kilometres from Orange in central western NSW.
The applicability of the Q-system [Barton et al. 1974] to Australian underground metal mines is discussed with reference to two common design issues: ground support for horizontal mine development, and assessing the stability of bored raises.