How Long Does It Take to Form a Sediment Hosted Zn Plus Pb Deposit?

Mullen, G., Barrie, C., Boyce, A. J. and Drummond, D. (2019) How Long Does It Take to Form a Sediment Hosted Zn Plus Pb Deposit? In: 15th SGA Biennial Meeting on Life with Ore Deposits on Earth, Glasgow, Scotland, 27-30 Aug 2019, pp. 1425-1428. ISBN 9780852619650

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Sediment hosted Zn+Pb sulphide deposits are the primary source of global lead and zinc. Their secular distribution is well defined, however the duration of individual mineralisation events is less so. By coupling modern H2S production data from sedimentary/hydrothermal environments and metalliferous fluid flux calculations with data on the size concentration and distribution of the world class Navan Zn-Pb deposit in Ireland, it is postulated that the deposit could have formed within a relatively rapid, integrated timeframe of similar to 26,000 years. Ore fluid influx, driven by convection and seismicity, is assumed to be the most limiting factor. In this study, bacteriogenic sulphide availability is not considered to be a limiting factor.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Boyce, Professor Adrian and Barrie, Dr Craig and Mullen, Gary and Drummond, Drew
Authors: Mullen, G., Barrie, C., Boyce, A. J., and Drummond, D.
College/School:College of Science and Engineering > Scottish Universities Environmental Research Centre

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