Banks, DA orcid.org/0000-0001-9118-5298, Chapman, R, Jones, C-S et al. (3 more authors) (2017) Trace element quantification in gold as a means of distinguishing the genesis of placer gold. In: Proceedings of the 14th Biennial SGA Meeting, vol 1. 14th Biennial SGA Meeting: Mineral Resources to Discover, 20-23 Aug 2017, Québec City, Canada. Society for Geology Applied to Mineral Deposits , pp. 123-126. ISBN 978-2-9816898-0-1
Abstract
Analyses of placer gold has largely been restricted to the major components, Au, Ag, Cu, Hg from electron microprobe analysis (EMPA) due to the relatively high detection limits for other minor elements. LA-ICP-MS has sub-ppm detection limits for most elements in gold, but by comparison with EMPA is both destructive and penetrates the gold to much greater in depth. We have analysed gold grains for a suite of elements to assess which are present in sufficient concentration to form a basis for the discrimination of gold from different localities and different styles of mineralization. High resolution multielement maps of selected grains, analysed by icpTOF-MS, reveal some elements are controlled by crystal structure, grain boundaries or random events.
Metadata
Item Type: | Proceedings Paper |
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Authors/Creators: |
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Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Earth and Environment (Leeds) > Inst of Geophysics and Tectonics (IGT) (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 25 Oct 2018 08:53 |
Last Modified: | 25 Oct 2018 11:23 |
Published Version: | https://e-sga.org/shop/product-details/?categories... |
Status: | Published |
Publisher: | Society for Geology Applied to Mineral Deposits |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:137621 |