Ms. Kumar et al., CARBON-ISOTOPE THERMOMETRY IN MARBLES OF AMBASAMUDRAM, KERALA KHONDALITE BELT, SOUTHERN INDIA, Journal of the Geological Society of India, 49(5), 1997, pp. 523-532
Calcite-graphite isotope exchange thermometer is a useful tool in eluc
idating the peak metamorphic temperatures in regionally metamorphosed
marbles, for which normal cation exchange thermometers are not availab
le.