Author:Milev, AM; Spottiswoode, SMDate:Jan 2002The Ventersdorp Contact Reef is characterised by a variety of different rock types that are found above and below the reef in different mining areas. These variations in the host rock type have been classified into six main geotechnical areas. ...Read more
Author:Linzer, LMDate:Apr 2005The primary objective of this study was to develop a robust MTI method to estimate the moment tensors of clusters of seismic events recorded in the underground environment. To achieve this, three 'hybrid' MTI methods were developed by the ...Read more
Author:Spottiswoode, SM; Milev, AMDate:15 Apr 1998Mining-induced seismicity results from a complex interaction of ambient and mining-induced stresses acting on a rock mass that has been intersected by a variety of geological weaknesses and discontinuities. A major challenge is to improve ...Read more
Author:Durrheim, RJ; Haile, A; Roberts, MKC; Schweitzer, JK; Spottiswoode, SM; Klokow, JWDate:15 Apr 1998The violent failure of a peninsular remnant at a depth of 2300 m below surface occurred in a mine in the Carletonville Goldfield of South Africa, severely damaging a stope mining the Ventersdorp Contact Reef (VCR). At the rockburst site the ...Read more