Oxygen isotope fractionation in TiO2 polymorphs has been calculated by the modi-fied increment method .The results that rutile is enriched in ^18O relative to b
This study focuses on the thermodynamics of diagenetic fluid from the Eogene Xingouzui Forma-tion which represents the most important reservoir in Field Oil T i
Presented in this paper is an approach to the analysis of 'series-stage'division.The processes of hydrothermal evolution involved in ore deposition,the