PAPER-I : IGNEOUS GEOCHEMISTRY
UNIT-I: Definition of a magma, constitution of magmas, generation of magmas, source rock compositions - upper mantle and lower crust, generation of magma from solid rock, magmatic differentiation, magma mixing, assimilation.
UNIT-II: Crystallization of magma - crystallization and melting, sequential precipitation, crystal-melt equilibria and Reaction series. Role of volatiles in phase equilibria of magmatic systems.
UNIT-III: Petrochemistry, Classification of igneous rocks - chemical classifications, simple binary and ternary systems, variation diagrams, classification of trace elements, controls on trace element distribution, REE, PGE, transition metals.
UNIT-IV: Petrology, Geochemistry and genesis of Ultramafic Rocks, peridotites, serpentinites, ophiolites, basalts, gabbros, anorthosites, andesites, granitoids, alkaline rocks, kimberlites, carbonatites and lamprophyres.
Anthony R.Philpotts, (1990): Principles of Igneous and Metamorphic Petrology, Prentice Hall India.
Alexander R.McBirney, (1994): Igneous petrology. (II edition)
Myron G.Best, (1986): Igneous and Metamorphic Petrology. CBS publishers.
Anthony Hall, (1988): Igneous petrology. ELBS.
P.Henderson, (1984): Rare earth element Geochemistry. Elsevier Sci. Publ.
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