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The composition and distribution of nodular monazite in the Lower Palaeozoic rocks of Great Britain

Published online by Cambridge University Press:  05 July 2018

D. Read ,
D. C. Cooper  and
J. M. McArthur
D. Read
Affiliation:
University of Wales, Institute of Science and Technology, P.O. Box 13, Cardiff CF1 3XF
D. C. Cooper
Affiliation:
British Geological Survey, Keyworth, Nottingham NG12 5GG
J. M. McArthur
Affiliation:
University College London, Gower Street, London WC1E 6BT
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Abstract

Millimetric, ellipsoidal monazite nodules found within Lower Palaeozoic sedimentary rocks in Wales, south-west England and Brittany are characterised by a pronounced zonation of light and heavy REE, an inclusion fabric of low-grade metamorphic minerals indistinguishable from the host rock and a low Th content. They are interpreted as the product of in situ recrystallization of detrital monazites derived from pegmatitic or granitic source rocks and are potentially useful as indicators of Lower Palaeozoic sedimentary rock provenance.

Keywords

monazitenodulesLower Palaeozoic rocksrare earth elementsGreat Britain
Type
Mineralogy
Information
Mineralogical Magazine , Volume 51 , Issue 360 , June 1987 , pp. 271 - 280
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1987

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Footnotes

*

Present address: W. S. Atkins and Partners, Longcross Court, Newport Road, Cardiff CF2 1AD.

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