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                                       Details for article 9 of 12 found articles
  Engineering Closure of an Open Pit Gold Operation in a Semi-Arid Climate
Title: Engineering Closure of an Open Pit Gold Operation in a Semi-Arid Climate
Author: Williams, D. J.
Currey, N. A.
Appeared in: International journal of mining, reclamation and environment
Paging: Volume 16 (2002) nr. 4 pages 270-288
Year: 2002-11
Contents: Along with material characteristics and geometry, the climate in which a mine is located can have a dramatic effect on the appropriate options for rehabilitation. The paper outlines the setting, mining, milling and waste disposal at Kidston Gold Mine's open pit operations in the semi-arid climate of North Queensland, Australia, before focusing on the engineering aspects of the rehabilitation of Kidston. The mine took a holistic and proactive approach to rehabilitation, and was prepared to demonstrate a number of innovative approaches, which are described in the paper. Engineering issues that had to be addressed included the geotechnical stability and deformation of waste rock dumps, including a 240 m high in-pit dump: the construction and performance monitoring of a “store and release” cover over potentially acid forming mineralised waste rock; erosion from the side slopes of the waste rock dumps; the in-pit co-disposal of waste rock and thickened tailings; the geotechnical stability of the tailings dam wall; the potential for erosion of bare tailings; the water balance of the tailings dam; direct revegetation of the tailings; and the pit hydrology. The rehabilitation of the mine represents an important benchmark in mine site rehabilitation best practice, from which lessons applicable worldwide can be shared.
Publisher: Taylor & Francis
Source file: Elektronische Wetenschappelijke Tijdschriften

                             Details for article 9 of 12 found articles
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