Transgression Records between 7500-5400BC on the Stratum of the Luotuodun Site in Yixing, Jiangsu Province
江苏宜兴骆驼墩遗址地层7500～5400BC的海侵事件记录

Based on archaeological excavations, 217 samples were collected, of which 63 were used for identification analysis of foraminifera, plant debris and seed fossils. The authors used four samples for 14C dating and correlation analysis. Through experiments, some conclusions can be drawn as follows. First, Bentic foraminifera was found in the 10th layer, such as Ammonia compressiuscula and Ammonia cff. sobrina, which shows that between 7500-5400 BC, before the appearance of the Majiabang culture, Luotuodun Site and its neighbouring regions had experienced transgression events. Second, we found 450 plant fossils at this site, such as Polygonum sp., Scirpus sp., Najas sp., Physalis sp., which lived in lakes, swamps and other aquatic environments.