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The distribution of trace precious metals in minerals and mineral products

The 23rd Hallimond Lecture (1991)

Published online by Cambridge University Press:  05 July 2018

Louis J. Cabri
Louis J. Cabri*
Affiliation:
Canada Centre for Mineral and Energy Technology, Ottawa, Ontario, Canada KIA 0G1
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Abstract

Data on the distribution of the precious metals (Au, Ag and the platinum=group elements Ru, Rh, Pd, Os, Ir, Pt) are rapidly accumulating as a consequence of the application of microbeam analytical techniques such as the electron microprobe, the proton microprobe, and the ion microprobe. The new data obtained with these techniques build on knowledge accumulated over the last 140 years using bulk analytical methods (e.g. spectrographic). The nature of the occurrence, the concentrations, and the variation in amount s of precious metals in minerals and mineral products are reviewed with comments as to the significance of the results with respect to industrial and environmental concerns. Future directions in mineral-specific analysis of trace precious-metal concentrations and applications outside of process mineralogy are discussed.

Keywords

precious metalsAuAgPGEmicrobeam techniqueselectron-proton- and ion microprobesprocess mineralogymineral balancesmineral processingextractive metallurgyenvironment
Type
The Hallimond Lecture
Information
Mineralogical Magazine , Volume 56 , Issue 384 , September 1992 , pp. 289 - 308
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1992

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