TY  - BOOK
AU  - Johannsen, Albert,
TI  - A descriptive petrography of the igneous rocks: Vol 4 : the feldspathoid rocks 
AV  - QE461 .J6
U1  - 552.1 
PY  - 1938///
CY  - Chicago
PB  - University of Chicago Press
KW  - Igneous rocks
KW  - Petrology
KW  - Rocks
KW  - Classification
N1  - Includes bibliographical references and index; v. 1. Introduction, textures, classifications and glossary.--v. 2. The quartz-bearing rocks.--v. 3. The intermediate rocks.-- v. 4. The feldspathoid rocks. The peridotites and perknites
ER  -