Clay minerals and elemental composition of sediments on different sedimentary units in the northern East China Sea shelf: provenance tracing and genetic mechanism analysis - Xiaoyan Xu; Yong Zhang; Yanguang Dou; Jingyi Cong; Beibei Mi; Xiaohui Chen; Xia Li; Chengfen Xu; Yongyu Ye (Acta Oceanologica Sinica, 2023)