Barker, D. S.  1934- <br/><br/>
Igneous rocks / 
Daniel S. Barker 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1983 
 - xii, 417 p. :  ill. ;  24 cm. 
<br/><br/>Includes Bibliographical references (p. 373-404) and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks, Igneous