Parameters influencing full scale sublevel caving material recovery at the Ridgeway gold mine

Brunton, I. D., Fraser, S. J., Hodgkinson, J. H. and Stewart, P. C. (2010) Parameters influencing full scale sublevel caving material recovery at the Ridgeway gold mine. International Journal of Rock Mechanics and Mining Sciences, 47 4: 647-656. doi:10.1016/j.ijrmms.2009.12.011


Author Brunton, I. D.
Fraser, S. J.
Hodgkinson, J. H.
Stewart, P. C.
Title Parameters influencing full scale sublevel caving material recovery at the Ridgeway gold mine
Journal name International Journal of Rock Mechanics and Mining Sciences   Check publisher's open access policy
ISSN 1365-1609
1873-4545
Publication date 2010-06-01
Sub-type Article (original research)
DOI 10.1016/j.ijrmms.2009.12.011
Volume 47
Issue 4
Start page 647
End page 656
Total pages 10
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon
Collection year 2011
Language eng
Formatted abstract
The literature discusses a number of theoretical, small, and full scale experimental programs, which have aimed at identifying parameters influencing sublevel caving (SLC) material flow behaviour, and therefore ore recovery and dilution. Historically, parameters directly influencing flow behaviour have been found to include the geometry of the extraction layout and drives, sublevel height, blast ring design, material characteristics of the blasted and waste material, and draw control methodology. To date, no detailed analysis of parameters influencing full scale material flow behaviour and recovery in modern SLC mines has been documented in the literature. This paper outlines the analysis undertaken to identify parameters which influence material recovery at the Ridgeway SLC operation. Parameters analysed included those related to drawpoint location, drill and blast design, geology, drawpoint geometry, and draw control. To identify parameters influencing recovery, a Self-Organising Map (SOM) technique was adopted. SOM is considered an ideal tool for analysing complex geological and mining datasets, and for extracting relationships and patterns that typically are not evident by other means. The SOM analysis indicated that a number of drill and blast design parameters were directly or inversely correlated to material recovery at the Ridgeway SLC operation. Blasting parameters dominated correlations with recovery when compared to drawpoint and geological parameters.
© 2010 Elsevier Ltd.
Keyword Sublevel Caving
SLC
Material recovery
Material flow behaviour
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: W.H. Bryan Mining Geology Research Centre
Official 2011 Collection
Sustainable Minerals Institute Publications
 
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Created: Thu, 15 Apr 2010, 21:52:47 EST by Laurie Beechey on behalf of WH Bryan Mining and Geology Centre