Goldex, the GRG jewel

CIM Journal, Vol. 4, No. 3, 2013
F. Robichaud and G. Belzil Agnico-Eagle Mines Ltd., Goldex Division, Val-d’Or, Quebec, Canada M. Fullam FLSmidth Knelson, Langley, British Columbia, Canada

The Goldex mining and milling complex is operated by Agnico-Eagle and is
located in the Abitibi greenstone region of northwestern Quebec, Canada.
Commercial production started in 2008. Average gold recovery is 93.5% with
approximately 68% of gold recovery coming from the gravity circuit. During the
first three years of production, three gravity audits were carried out to
optimize performance of the gravity circuit. This paper presents results of the
audits and the development of a model linking gravity and overall gold recovery,
and outlines improvements made to increase gravity performance and reduce
operating costs.
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