Rocks and Their Origins

by Grenville A. J. Cole

The Cambridge Manuals of Science
and Literature

ROCKS AND THEIR ORIGINS

CAMBRIDGE UNIVERSITY PRESS
London: FETTER LANE, E.C.
C. F. CLAY, Manager

Edinburgh: 100, PRINCES STREET
London: WILLIAM WESLEY & SON, 28, ESSEX STREET, STRAND
Berlin: A. ASHER AND CO.
Leipzig: F. A. BROCKHAUS
New York: G. P. PUTNAM'S SONS
Bombay and Calcutta: MACMILLAN AND CO., Ltd.

All rights reserved

ROCKS AND THEIR
ORIGINS
BY
GRENVILLE A. J. COLE
Professor of Geology in the Royal
College of Science for Ireland
Cambridge:
at the University Press
1912

Cambridge:
PRINTED BY JOHN CLAY, M.A.
AT THE UNIVERSITY PRESS