A case study is presented using Northparkes Mine microseismic (MS) events located by forward calculating P- and S-wave travel times using ray-tracing and wavefront construction techniques through velocity structures that mimic heterogeneity and damage in the ...

The block production and ore handling systems were designed to be carefully integrated with rock being supplied to the crusher ‘just in time’; there being minimal flexibility to allow for lengthy tunnel or brow repairs to be done. This factor also contributed ...