Philpotts, Anthony R. Principles of igneous and metamorphic petrology Anthony R. Philpotts and Jay J. Ague - 2nd ed. - Cambridge Cambridge University Press 2009 - xviii+667p. figs; index; refs ISBN: 978-0-521-88006-0 Subjects--Topical Terms: Allahabad (all)Igneous RocksIgneous PetrologyMetamorphic RocksMetamorphic PetrologyPetrology Universal Decimal Class. No.: 552.3/.4 / PHI