TY - BOOK AU - Johannsen,Albert TI - A descriptive petrography of the igneous rocks AV - QE461 .J6 U1 - 552.1 19 PY - 1931///-38] CY - Chicago PB - University of Chicago Press KW - Igneous rocks KW - Petrology KW - Petrologia KW - Rocks KW - Classification KW - Rochas KW - Classificação N1 - 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 -