TY - BOOK AU - Philpotts, anthony R AU - Ague,Jay J TI - Principles of igneous and metamorphic petrology SN - 9780521880060 U1 - 552.3 PY - 2009/// CY - Camebridge PB - Cambridge University Press KW - Rocks, Igneous KW - Rocks, Metamorphic KW - Petrology ER -