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British Cambrian to Ordovician Stratigraphy

Out of Print

Series: Geological Conservation Review Series Volume: 18

By: AWA Rushton, AW Owen, RM Owens and JK Prigmore

435 pages, 266 illus

Joint Nature Conservation Committee (Geological Conservation Review)

Hardback | Dec 2000 | #95397 | ISBN: 1861074727
Out of Print Details

About this book

The Cambrian and Ordovician systems are recognised worldwide as two of the major divisions of geological time. Together they represent a period of 100 million years, during which time the seas, the continents and the biosphere underwent great changes. Vast numbers of fossil species have been described from the varied suite of environmental settings represented in the British Cambrian and Ordovician rocks; many of them are taxonomically important and many are representative of geologically and geographically widespread groups. Research on British Cambrian and Ordovician stratigraphy has contributed significantly to the global understanding of this important period. This volume describes some 130 sites that encapsulate key features of the Cambrian and Ordovician in Britain, and the reference list provides an entry to the extensive literature on the subject.


Contents

CONTENTS

Contributors
Acknowledgements
Access to the Countryside
Preface

1 Introduction to Cambrian and Ordovician Stratigraphy
Introduction
Scope
Overview
Palaeogeography
The significance of Fossils
2 Introduction to Cambrian
History
Distribution
Boundaries of the Cambrian System
Divisions of the Cambrian
3 Cambrian of North Wales
Harlech Dome
Barmouth Hillside
Trwyn Carreg-y-tir
Afon Llafar
Nant y Graean and Nant Ganol
Rhobell-y-big and Foel Gron
Ogof Ddû
Arfon area
Llyn Padarn
Moel Tryfan
Cwm Grainog
4 Cambrian of South Wales: St. David's Area
Introduction
St. Non's Bay and Caerfai Bay
Trwyncynddeiriog
Porth-y-rhaw
Dwrhyd Pit
Solva Harbour
Treffgarne Bridge
5 Cambrian rocks of England
Introduction
Ercall Quarry
Comley Quarry
Gullet Pass Pit
Boon's Quarry
Woodlands Quarry
Illing's Trenches, Hartshill Hayes
Mancetter Quarries
Charnwood Forest Area, English Midlands
6 Introduction to Ordovician
History
Distribution
Boundaries of the Ordovician
Divisions of the Ordovician
7 Tremadoc Series in Wales and England
Introduction
Wales
Bryn-llin-fawr
Dol-cyn-afon
Tyn Llan
Pen Benar
Wern Road
AmnoddBwll
Y Garth
Cwm Crymlyn
England
Cherme's Dingle
Sheinton Brook
Coundmoor Brook, Evenwood
Granham's Moor and Eastridge Wood and Linley Big Wood
River Calder, Latter Barrow
8 Arenig to Ashgill in South Wales
Introduction
Ogof Hên and Road Uchaf
Dan-lan-y-castell
Glan Pibwr
Allt Pen-y-Coed
Cwm yr Abbey
Pwlluog
Pontyfenni, Whitland
Llanfallteg Cutting
Abereiddi Bay
Abergwaun
Ffaifâch Railway Cutting and Afon Cennen
Dynevor Park
Talar Wen
Meidrim Road Section
Bryn-banc Quarry, Llan-Mill
Mylet Road
Sholeshook
Robeston Wathen
Crûg Farm
Birdshill Quarry
Builth-Llandrindod Inlier
Howey Brook
Newmead
Bach-y-graig
Llanfawr Quarry
Gwern yfed fâch, Builth Road
9 Arenig to Ashgill of North Wales
Introduction
Bryn Glas Quarry
Hafotty Ffilltirgerig and Amnodd Wen
Trwyn-llêch-y-doll
Wîg
Nant y Gadwen
Afon Seiont
Lynnau Cregennen
Treiorwerth and Ty hen
Nantannog Ravine
The Gynfor Outliers
Fferam-uchaf
Trilobite Dingle
Nant Aberderfel
Gelli-grîn
Cadnant Cutting
Gwern-y-Brain
Cynwyd
Rhiwlas
Deganwy Quarries
Cwm Hirnant
10 Arenig to Caradoc of Shropshire
Introduction
Shelve Area
Mytton Dingle and Snailbeach
Bergam Quarry
Shelve Church
Hope Valley
Betton Dingle
Meadowtown Quarry
Spywood and Aldress Dingles
Caradoc Area
Coston Farm
Coundmoor Brook, Harnage
Hope Bowdler Road Section
Soudley Quarry
Marshwood
Onny River
11 Arenig to Ashgill of Northern England
Introduction
Main outcrop - Skiddaw Group
Trusmadoor
Blaze Bridge and Scawgill Quarry
Barf
Randel Crag
Outerside
Main outcrop: Dent Group
Stile End
Ashgill Quarry
Cross Fell Inlier
Harthwaite Sike
Pus Gill
Melmerby Road
Swindale Beck
Keisley Quarry
Cautley Inliers
Sally Beck and River Rawthey
Backside Beck
Ecker Secker Beck
12 Scotland: Cambrian and Ordovician of the Hebridean Terrace
Introduction
Durness and Balnakeil
An t-Sròn
Fuaran Mor
Loch Awe Quarry
Ord
13 Grampian Terrane and Highland Border Sub-terrane
Introduction
Leny Quarry
Lime Craig Quarry

14 Scotland: Ordovician of the Midlands Valley Terrane
Introduction
Balcreuchan Port-Bennane Head
Aldons Quarry
Laggan Burn
Girvan Foreshore
Craighead Quarry
South Threave
15 Scotland: Ordovician of the Southern Uplands Terrane
Introduction
Raven Gill
Corsewall Point
Morroch Bay
Glenkiln Burn
Dob's Linn
References
Glossary
Index


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