Understanding Gamsberg - A geometallurgical study of a large stratiform zinc deposit

Schouwstra, R., de Vaux, D., Hey, P., Malysiak, V., Shackleton, N. and Bramdeo, S. (2010) Understanding Gamsberg - A geometallurgical study of a large stratiform zinc deposit. Minerals Engineering, 23 11-13: 960-967. doi:10.1016/j.mineng.2010.03.013


Author Schouwstra, R.
de Vaux, D.
Hey, P.
Malysiak, V.
Shackleton, N.
Bramdeo, S.
Title Understanding Gamsberg - A geometallurgical study of a large stratiform zinc deposit
Language of Title eng
Journal name Minerals Engineering   Check publisher's open access policy
Language of Journal Name eng
ISSN 0892-6875
1872-9444
Publication date 2010-10
Sub-type Article (original research)
DOI 10.1016/j.mineng.2010.03.013
Volume 23
Issue 11-13
Start page 960
End page 967
Total pages 8
Place of publication Oxford, United Kingdom
Publisher Pergamon
Collection year 2012
Language eng
Formatted abstract
The Gamsberg zinc deposit in the Northern Cape in South Africa has been the subject of a number of studies by Anglo American over the years. Two distinct ore types have been identified, namely pelitic and garnet-magnetite ore. The ore is characterised by relatively high manganese levels. Manganese reporting to the flotation concentrate is problematic for downstream refining.
Anglo Research was asked by the exploration division of Anglo Base to study the relationship between the mineralogy and the floatability of the ore from reef intersections obtained from the eastern ore body. The two ore types were found to have different mineralogical characteristics resulting in different flotation responses both in terms of zinc and manganese recoveries and concentrate grades.
The presence of the manganese sulphide, alabandite, was also established, and was found to be extremely detrimental to sphalerite flotation. The reasons for this were explained using the surface analysis facility at Anglo Research.
Keyword Sulphide ores
Froth flotation
Ore mineralogy
Liberation
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Julius Kruttschnitt Mineral Research Centre Publications
ERA 2012 Admin Only
 
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Created: Tue, 06 Mar 2012, 09:49:53 EST by Karen Holtham on behalf of Julius Kruttschnitt Mineral Research Centre