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Browsing by Author "Hein, KAA"

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3D edge detection seismic attributes used to map potential conduits for water and methane in deep gold mines in the Witwatersrand basin, South Africa

Author: Manzi, MSD ; Durrheim, RJ ; Hein, KAA ; King, N Date: Sep 2012 Inrushes of ground water and the ignition of flammable gases pose risks to workers in deep South African gold mines. Large volumes of water may be stored in solution cavities in dolomitic rocks that overlie the Black Reef (BLR) Formation, ... Read more
Application of 3D seismic techniques to evaluate ore resources in the West Wits Line goldfield and portions of the West Rand goldfield, South Africa

Author: Manzi, MSD ; Gibson, MAS ; Hein, KAA ; King, N ; Durrheim, RJ Date: Sep 2012 As expensive as 3D seismic reflection surveys are, their high cost is justified by improved imaging of certain ore horizons in some of the Witwatersrand basin gold mines. The merged historical 3D seismic reflection data acquired for Kloof and ... Read more
Neoarchaean tectonic history of the Witwatersrand Basin and Ventersdorp Supergroup: New constraints from high-resolution 3D seismic reflection data

Author: Manzi, MSD ; Hein, KAA ; King, N ; Durrheim, RJ Date: Apr 2013 First-order scale structures in the West Wits Line and West Rand goldfields of the Witwatersrand Basin (South Africa) were mapped using the high-resolution 3D reflection seismic method. Structural models constrain the magnitude of displacement ... Read more
A review of reflection seismic investigations in three major metallogenic regions: The Kevitsa Ni–Cu–PGE district (Finland), Witwatersrand goldfields (South Africa), and the Bathurst Mining Camp (Canada)

Author: Malehmir, A ; Koivisto, E ; Manzi, M ; Cheraghi, S ; Durrheim, RJ ; Bellefleur, G ; Wijns, C ; Hein, KAA ; King, N Date: Jan 2014 Effective exploration for mineral deposits depends on a sound understanding of the processes and geological structures that contributed to their formation. The reflection seismic method has proven to be a powerful tool that provides a ... Read more
Seismic attribute analysis to enhance detection of thin gold-bearing reefs: South Deep gold mine, Witwatersrand basin, South Africa

Author: Manzi, MSD ; Hein, KAA ; Durrheim, R ; King, N Date: Nov 2013 The gold-bearing Upper Elsburg Reef clastic wedge (UER) in the South Deep gold mine in the Witwatersrand basin (South Africa) hosts the highly auriferous basal conglomerate known as the Elsburg Conglomerate (EC) reef. The reef is less than ... Read more
The state-of-the-art in 3D orebody modelling: a case study of KDC East gold mine, South Africa

Author: Manzi, MS ; Durrheim, RJ ; Hein, KAA ; Gibson, MA ; King, N Date: Oct 2013 The state-of-the-art in 3D modelling of the structurally complex orebody begins with (1) 3D seismic imaging, (2) horizon picking, (3) data conditioning, (4) fault detection, (5) fault-horizon projection, (6) data integration, and (7) statistical ... 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

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Browsing by Author "Hein, KAA"

Browsing by Author "Hein, KAA"

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