Based on the U-series dating of intercalated speleothem formations, the chronology of several hominid sites in southern China has been studied.

本文对采自云南呈贡龙潭山1号洞西土博咁前洞晚期智人遗址的动物化石洞穴生碳酸岩样品进行了铀系年代测定。