METAMORPHISM OF ROCKS.

CHEMICAL AND PHYSICAL STUDIES

IN THE

METAMORPHISM OF ROCKS

BASED ON

A THESIS (WITH APPENDICES) WRITTEN FOR THE

DOCTORATE IN SCIENCE IN THE

UNIVERSITY OF LONDON.

BY

Alexander

A. IRVING, D.Sc., B.A., F.G.S.

’LONDON
LONGMANS, GREEN, AND Co.
AND NEW YORK : 15 EAST 16th STREET

1889

Past President of the Geological Society,
Professor of Geology in University College, London ;
Fellow of St. John's College, Cambridge ;

Honorary Canon of Manchester ; in admiration of his skill in microscopic petrology and as a field-geologist, and

of his extensive culture ; this little work is dedicated by

THE AUTHOR.