METAMORPHISM AND FLUID INCLUSION STUDIES OF CHARNOCKITES AND ASSOCIATED ROCKS FROM THE MADURAI GRANULITE BLOCK, SOUTHERN INDIA WITH SPECIAL REFERENCE TO GRAPHITE MINERALIZATION Thesis submitted to the COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY in partial fulfilment of the requirements for the degree of DOCTOR OF PHILOSOPHY UNDER THE FACULTY OF MARINE SCIENCES by BAIJU K.R. Department of Marine Geology and Geophysics School of Marine Sciences Cochin University of Science and Technology Kochi - 682 016 SEPTEMBER 2006 1