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Browsing by Author "Durrheim, RJ"

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Studies of crustal structure, seismic precursors to volcanic eruptions and earthquake hazard in the eastern provinces of the Democratic Republic of Congo

Author: Mavonga, T ; Zana, N ; Durrheim, RJ Date: Nov 2010 In recent decades, civil wars in the eastern provinces of the Democratic Republic of Congo have caused massive social disruptions, which have been exacerbated by volcanic and earthquake disasters. Seismic data were gathered and analysed as ... Read more
Unexpectedly frequent occurrence of very small repeating earthquakes (5.1=Mw=3.6) in a South African gold mine: Implications for monitoring intraplate faults

Author: Naoi, M ; Nakatani, M ; Igarashi, T ; Otsuki, K ; Yabe, Y ; Kgarume, Thabang E ; Murakami, O ; Masakale, T ; Ribeiro, L ; Ward, AK ; Moriya, K ; Kawakata, H ; Nakao, S ; Durrheim, RJ ; Ogasawara, H Date: Dec 2015 The authors observed very small repeating earthquakes with -5.1 = Mw = -3.6 on a geological fault at 1 km depth in a gold mine in South Africa. Of the 851 acoustic emissions that occurred on the fault during the 2 month analysis period, 45% ... Read more
V[subscript s] structure of the crust containing the Bushveld Complex

Author: Kgaswane, EM ; Nyblade, AA ; Durrheim, RJ ; Julià, J ; Dirks, PHGM ; Webb, SJ Date: Oct 2013 The crustal structure of the Bushveld Complex is investigated by jointly inverting high-frequency teleseismic receiver functions and 2–60 sec Rayleigh wave group velocities for 16 broadband seismic stations spanning the Bushveld Complex. ... Read more
The Ventersdorp Contact Reef model in the Kloof Gold Mine as derived from 3D seismics, geological mapping and exploration borehole datasets

Author: Manzi, MSD ; Hein, KAA ; Durrheim, RJ ; King, N Date: Feb 2014 A model of the Ventersdorp Contact Reef (VCR) orebody at Kloof Gold Mine was derived by integrating 3D reflection seismic data with information derived from underground mine mapping and exploration drilling. The study incorporated the ... Read more
Violent failure of a remnant in a deep South African gold mine

Author: Durrheim, RJ ; Haile, A ; Roberts, MKC ; Schweitzer, JK ; Spottiswoode, SM ; Klokow, JW Date: 15 Apr 1998 The 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

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Browsing by Author "Durrheim, RJ"

Browsing by Author "Durrheim, RJ"

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