Equations to use in solving the isotope fractionation and paleothermometry problem set (Refer to Faure chapter 17 for further explanation of these equations): ! "ba=#a+ 103#b+ 103 [Eqn. 17.12]103ln"ba$ %ba$A &106T2+ B [Eqn. 17.15 and 17.23] 103ln1.00x $ x [Eqn. 17.16]103"ba$#a '#b [Eqn. 17.22]#Dw = 8#18Ow +10 (meteoric water line) [Eqn. 17.27] Table 17.3 on p. 312 contains information on constants A and B for the temperature dependence of O - isotopefractionation factor between minerals and water :Acalcite = 2.78; Bcalcite = - 2.89Remember to convert T to