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Book Chapter

Temporal relations between mineral deposits and global tectonic cycles

By
Peter A. Cawood
Peter A. Cawood
Department of Earth Sciences, University of St Andrews, Irvine Building, North Street, St Andrews, Fife KY16 9AL, UKCentre for Exploration Targeting, School of Earth and Environment, The University of Western Australia, Crawley, WA 6009, Australia
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Chris J. Hawkesworth
Chris J. Hawkesworth
Department of Earth Sciences, University of St Andrews, Irvine Building, North Street, St Andrews, Fife KY16 9AL, UK
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Published:
January 01, 2015

Abstract

Mineral deposits are heterogeneously distributed in both space and time, with variations reflecting tectonic setting, evolving environmental conditions, as in the atmosphere and hydrosphere, and secular changes in the Earth’s thermal history. The distribution of deposit types whose settings are tied to plate margin processes (e.g. orogenic gold, volcanic-hosted massive sulphide, Mississippi valley type Pb–Zn deposits) correlates well with the supercontinent cycle, whereas deposits related to intra-cratonic settings and mantle-driven igneous events, such as Ni–Cu–PGE deposits, lack a clear association. The episodic distribution of deposits tied to the supercontinent cycle is accentuated by selective preservation and biasing of rock units and events during supercontinent assembly, a process that encases the deposit within the assembled supercontinent and isolates it from subsequent removal and recycling at plate margins.

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Contents

Geological Society, London, Special Publications

Ore Deposits in an Evolving Earth

G. R. T. Jenkin
G. R. T. Jenkin
University of Leicester, UK
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P. A. J. Lusty
P. A. J. Lusty
British Geological Survey, UK
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I. Mcdonald
I. Mcdonald
Cardiff University, UK
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M. P. Smith
M. P. Smith
University of Brighton, UK
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A. J. Boyce
A. J. Boyce
Scottish Universities Environmental Research Centre, UK
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J. J. Wilkinson
J. J. Wilkinson
Natural History Museum and Imperial College London, UK
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Geological Society of London
Volume
393
ISBN electronic:
9781862396692
Publication date:
January 01, 2015

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