TY - BOOK AU - Gupta Alok K TI - Igneous rocks SN - 817023784X (hbd) U1 - H21, N8;1 TH PY - 1998/// CY - New Delhi PB - Allied Publishers Limited KW - Igneous rock KW - Petrology KW - Geology N1 - Bibliographical references 559-640p; Indexes 641-690p ER -