As one of core content of Regional Climate Response and Global change, geological records of paleoclimate have became a hot research topic in the academic circles in recent years.Gannan and Xiangzhong regions located in the transitional zone between red earth and loess,where Quaternary red clay are widespread and stable, which can better refer to enviroment, however the research was very weak and lacking. Ganzhou basin and Hengyang basin will be Choosen as the research area in this project,combining with form combination of red earth quartz, the sedimentary facies will be determined.Paleoclima...