Nature, origin, differentiation and crystallization of magma; Phase relations in silicate melts. Mode of occurrence, textures, petrography and minerals of igneous rocks. Texture, structure, composition provenance, digenesis and classification of sedimentary rocks. Distribution and origin of sedimentary rocks in relation of plate tectonics and basin developments. Processes and types of metamorphism. Facies, textures, mineralogy of metamorphic rocks. P-T paths. Relations of rocks to plate tectonics. Laboratory studies of igneous, sedimentary and metamorphic rocks in hand specimens and under microscope. At least one field trip is required.