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Dear Bernardo, Below is a list of some of our publications which contain information on graphite in the khondalite belt of Kerala. You may also find some papers in the list below (such as Santosh et al. 1993, Journal of Petrology) which address the topic of carbon isotopes of fluid inclusions in cordierite coexisting with graphite. Santosh, M., Wada, H., Satish-Kumar, M. and Binu-Lal, S.S. (2003) Carbon isotope "stratigraphy" in a single graphite crystal: implications for crystal growth mechanism of fluid deposited graphite. American Mineral. V. 88, pp. 1689-1696. Santosh, M. (2003) Granulites and fluids: a petrologic paradigm. Geol. Soc. India Memoir No. 52, pp. 289-311. Chandran, R.R., Menon, R.D., Radhika, U.P., Santosh, M. and Yoshida, M. (1996) Proterozoic mineralization in southern Kerala: summary characteristics and genesis. In: Santosh, M. and Yoshida, M. (eds.) The Archaean and Proterozoic terranes of southern India within East Gondwana. Gondwana Res. Group Memoir No. 3, Field Science Pub., Osaka, pp. 117-144. Radhika, U.P. and Santosh, M. (1996) Shear-zone hosted graphite in southern Kerala, India: implications for CO2 infiltration. J. Southeast Asian Earth Sci., v. 14, pp. 265-274. Radhika, U.P., Santosh, M. and Wada, H. (1996) The granulite facies metapelites (khondalites) and associated cordierite + graphite veins at Chittikara, Trivandrum Block, southern India. In: Santosh, M. and Yoshida, M. (eds.) The Archaean and Proterozoic terranes of southern India, Field Science Publishers, Osaka. Radhika, U.P. and Santosh, M. (1995) A comparitive study of graphite occurrences in South India, Sri Lanka and Madagascar within East Gondwana. Gondwana Res. Group Memoir No. 2, Field Sci. Pub., Osaka, pp. 143-158. Radhika, U.P., Santosh, M. and Wada, H. (1995) Graphite occurrences in southern Kerala: characteristics and genesis. J. Geol. Soc. India, v. 45, pp. 653-666. Wada, H. and Santosh, M. (1995) Stable isotopic characterization of metamorphic fluid processes in the Kerala Khondalite Belt, south India. Geol. Soc. India Memoir No. 34, pp. 161-172. Santosh, M., Jackson, D.H. N.B.W. Harris, N.B.W. (1993) The significance of channel and fluid inclusion CO2 in cordierite: evidence from carbon isotopes. Jour. Petrol., v. 43, pp. 233-258. Santosh, M. and Wada, H. (1993) Microscale isotopic zonation in graphite crystals: implications for channelised CO2 influx in granulites. Earth Planet. Sci. Lett., v 119, pp. 19-26. Santosh, M. and Wada, H. (1993) A carbon isotope study of graphites from Kerala Khondalite Belt, southern India: evidence for CO2 infiltration in granulites. J. Geol., v. 101, pp. 643-651. Jackson, D.H. and Santosh, M. (1992) Dehydration reaction and isotope front transport induced by CO2 infiltration in Nuliyam, South India. J. Metamorphic Geol., v. 10, pp. 365-382. Santosh, M. (1992) Carbonic fluids in granulites: cause or consequence? Jour. Geol. Soc. India, v. 39, pp. 375-399. best wishes, Santosh ____________________________________________ M. Santosh Professor of Geology & Chief Editor, Gondwana Research Department of Natural Environmental Science Faculty of Science, Kochi University Akebono-cho 2-5-1, Kochi 780-8520 Japan Tel. and Fax: (+81) 88-844-8278 e-mail: [log in to unmask]