Structural characteristics and tectonic division of the Zambezi Delta basin in the offshore East Africa: evidences from gravity and seismic data - Guozhang Fan; Wen Li; Liangbo Ding; Wanyin Wang; Hongping Wang; Dingding Wang; Lin Li; Hao Wang; Chaofeng Wang; Qingluan Wang; Ying Zhang (Acta Oceanologica Sinica, 2024)