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Browsing by Author "Henry, G"

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Geological factors influencing the design of a narrow-reef autonomous gold miner

Author: Henry, G ; Kuijpers, J Date: Aug 2011 Underground mining is a high risk activity, and the design of an autonomous gold miner will reduce high risk to miners, monitor underground conditions and reduce costs. The narrow reef autonomous mining machine will be designed to be an ... Read more
Introduction to South African coal mining and exploration

Author: Jeffrey, L ; Henry, G ; McGill, J Date: Jan 2015 This chapter provides some basic geological and mining background information and sets the scene in terms of the key operational challenges experienced by local coal miners and the role that geophysics can play in addressing these challenges. Read more
Mapping seismic vulnerability in stopes in deep South African gold mines

Author: Durrheim, RJ ; Kuijpers, J ; Henry, G ; Brink, AVZ ; Kagezi, B ; Ferreira, G ; Teleka, Ruth ; Milev, A ; Ogasawara, H ; Ward, A ; Wienand, J Date: Sep 2013 The project “Observational studies in South African mines to mitigate seismic risks” has established research sites in three deep gold mines, Cooke 4 Shaft, KDC West and Moab Khotsong. Observations are focused on three regions: (i) the target ... Read more
New airborne geophysical data from the Waterberg Coalfield

Author: Fourie, CJS ; Henry, G Date: Jul 2009 The Waterberg Coalfield in the Limpopo Province contains vast resources of coal and is the next area that will supply South Africa with energy well into the future. The coalfield is in the Karoo-age Ellisras Basin. Coal was discovered in the ... Read more
New airborne geophysical data from the Waterberg coalfield. South Africa's major future energy source

Author: Fourie, CJS ; Du Plessis, SJ ; Henry, G Date: Nov 2008 The Waterberg Coalfield in the Limpopo Province of South Africa contains vast resources of coal that will ensure the country's energy security well into the future. The coalfield is situated in the Karoo-age Ellisras Basin and at present hosts ... Read more
Nonlinear rock behavior and its implications on deeper-level platinum mining

Author: Watson, BP ; Kuijpers, JS ; Henry, G ; Palmer, CE ; Ryder, JA Date: Oct 2008 Uniaxial tests performed on core from instrumented sites at Amandelbult 1 shaft, Impala 10 shaft and Union Section Spud-shaft showed a nonlinear elastic relationship between applied load and induced deformation. This nonlinear behaviour does ... Read more
Some geological and geophysical aspects in electric rock breaking

Author: Henry, G ; Johnson, D ; Ilgner, H ; Letlotla, S Date: Aug 2011 This presentation looks at the way rocks break and the geological and geophysical aspects thereof. It it important to know that rocks are much weaker under tension (10 times) than under compression. Geological and geophysical factors play an ... Read more
Structure of the Karoo-age Ellisras Basin in Limpopo Province, South Africa in the light of new airborne geophysical data

Author: Fourie, CJS ; Henry, G ; Maré, LP Date: Sep 2009 The Waterberg Coalfield is destined to become the major source of energy for South Africa in the future. In 2008, Coaltech Research Organisation funded an airborne magnetic and radiometric survey over the Karoo-age Ellisras Basin in which the ... Read more
Waterberg coalfield airborne geophysics

Author: Fourie, S ; Henry, G ; Marè, L Date: Jul 2009 Major objective of the project is to initiate semi-regional exploration of the Waterberg Coalfield to the benefit of the Industry. Read more

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Browsing by Author "Henry, G"

Browsing by Author "Henry, G"

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