TY - BOOK AU - Philpotts Anthony R AU - Ague Jay J TI - Principles of igneous and metamorphic petrology SN - 978-0-521-88006-0 U1 - 552.1 PY - 2009/// CY - Cambridge PB - CUP KW - Igneous rocks KW - Metamorphic rocks KW - Petrology ER -