The Ancient Volcanoes of Great Britain (Vol 2), by Sir Archibald Geikie

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THE ANCIENT VOLCANOES OF GREAT BRITAIN

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THE
ANCIENT VOLCANOES
OF
GREAT BRITAIN

BY

SIR ARCHIBALD GEIKIE, F.R.S.

D.C.L. Oxf., D. Sc. Camb., Dubl.; LL.D. St. And., Edinb.

DIRECTOR-GENERAL OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN AND IRELAND;CORRESPONDENT OF THE INSTITUTE OF FRANCE;OF THE ACADEMIES OF BERLIN, VIENNA, MUNICH, TURIN, BELGIUM, STOCKHOLM, GÖTTINGEN, NEW YORK; OF THEIMPERIAL MINERALOGICAL SOCIETY AND SOCIETY OF NATURALISTS, ST. PETERSBURG; NATURAL HISTORYSOCIETY, MOSCOW; SCIENTIFIC SOCIETY, CHRISTIANIA; AMERICAN PHILOSOPHICAL SOCIETY; OF THEGEOLOGICAL SOCIETIES OF LONDON, FRANCE, BELGIUM, STOCKHOLM, ETC.

WITH SEVEN MAPS AND NUMEROUS ILLUSTRATIONS


IN TWO VOLUMES

VOL. II

London

MACMILLAN AND CO., Limited.
NEW YORK: THE MACMILLAN COMPANY.
1897
All rights reserved


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CONTENTS

CHAPTER XXIX

The Carboniferous Volcanoes of England

PAGE
The North of England: Dykes, Great Whin Sill—The Derbyshire Toadstones—The Isle of Man—East Somerset—Devonshire1

CHAPTER XXX

The Carboniferous Volcanoes of Ireland

King's County—The Limerick Basin—The Volcanic Breccias of Doubtful Age in County Cork37

BOOK VII

THE PERMIAN VOLCANOES

CHAPTER XXXI

The Permian Volcanoes of Scotland

Geographical Changes at the Close of the Carboniferous Period—Land and Inland-Seas of Permian time—General Characteristics and Nature of the Materials erupted—Structure of the several Volcanic Districts: 1. Ayrshire, Nithsdale, Annandale; 2. Basin of the Firth of Forth53

CHAPTER XXXII

Permian Volcanoes of England

The Devonshire Centre—Eruptive Rocks of the Midland Coal-fields94

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BOOK VIII

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