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Precambrian rocks in England and Wales south of the Menai Strait Fault System

By
T. C. Pharaoh
T. C. Pharaoh
British Geological Survey, Keyworth, Nottingham NG12 5GG, UK
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W. Gibbons
W. Gibbons
Department of Geology, University of Wales, Cardiff CF1 3 YE, UK
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Published:
January 01, 1994

Abstract

This chapter considers the Precambrian rocks that lie beneath Lower Palaeozoic strata in England and Wales, but excludes the Monian rocks exposed in Anglesey and the Llŷn Peninsula in northwest Wales (see Chapter 9). It includes the Sam Complex on Llŷn because these rocks lie immediately southeast of the Menai Strait Fault System, and they show close similarities to other basement inliers further south and southeast. Although all these rocks are grouped as late Proterozoic, given the uncertainties associated with defining the chronostratigraphical base of the Cambrian, combined with the paucity of reliable isotopic data, it is possible that some are of early Cambrian age.

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Contents

Geological Society, London, Special Reports

A revised correlation of Pre-Cambrian rocks in the British Isles

W. Gibbons
W. Gibbons
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A. L. Harris
A. L. Harris
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Geological Society of London
Volume
22
ISBN electronic:
9781786202857
Publication date:
January 01, 1994

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