Tyrrell, G. W.  1883- <br/><br/>
The principles of petrology :  an introduction to the science of r ocks / 
by G.W. Tyrrell ... 
 - London :  Chapman and Hall ;  1926 
 - xii, 349 p., 1 l. :  ill., diagrs. ;  19 cm. 
<br/><br/> "Printed in Great Britain." 
<br/><br/>Includes bibliographical foot-notes 
<br/><br/><label>ISBN: </label>0412215004 
<br/><br/><label>LCCN: </label>30-033603 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology.
<br/><br/><label>Dewey Class. No.: </label>552