Affiliation: | aP. G. Department of Geology, Utkal University, Vani Vihar, Bhubaneswar-751 004, Orissa, India bDepartment of Geosciences, Osaka City University, Sumiyoshi-ku, Osaka 558-8585, Japan cP.G. Department of Geology, Khallikote Autonomous College, Berhampur – 760 001, Ganjam, Orissa, India |