Author:Siebrits, E; Crouch, SLDate:Dec 1993A general two-dimensional elastodynamic displacement discontinuity method is used to model a variety of application problems. The plane strain problems are: the elastodynamic motions induced on a cavity by shear slip on a nearby crack; the ...Read more
Author:Harris, D; Viranna, N; Hill, G; Green, JDate:Nov 2009A system for the automated analysis and sorting of mineral samples has been developed to assist in the concentration of heavy mineral samples in the diamond exploration process. These samples consist of irregularly shaped mineral grains ranging ...Read more
Author:Wright, C; Walls, EJ; De J Carneiro, DDate:Jul 2000Analysis of the refracted arrivals on a seismic reflection profile recorded along the wall of a tunnel at an iron mine near Thabazimbi, South Africa, shows variations in P-wave velocity in dolomite away from the de-stressed zone that vary ...Read more