TY  - BOOK
AU  - Johannsen,Albert
TI  - A descriptive petrography of the igneous rocks
PY  - 1937///
CY  - Chicago
PB  - University of Chicago Press
KW  - Petrology
KW  - Igneous rocks
KW  - Rocks
KW  - Classifications
N1  - Includes bibliographical references; Vol. 1 Introduction,textures,classifications and glossary--Vol. II The quartz bearing rocks--Vol. III The intermediate rocks
ER  -