摘要
本文分析了大量的海湾沉积物的样品和资料。讨论了各个海湾沉积物类型、重矿物组合、微体古生物特征、沉积物充填等。根据分析,可以说明广西沿海海湾沉积物的充填程度是缓慢的,其过程从东到西依次减弱。
In the paper, the distribution characteristics of the different sediment in each bay are analyzed according to the fieldwork and the data of mineral, grain size and micropaleo-organism.
Effected by land forms and coast features, the sediments are different in the east and the west. The eastern sediments are mainly composed of fine and coarse sand and the western, fine sand, silt and clay. There is a strong correlation between the content of heavy mineral and the grain size type of sediment. The east is composed of tourmaline-zircon-ilmenite and the west, ilmenite-zircon-tourmaline. The accumulation of the bay depends on the proportion of the silt discharge of river to the capacity of bay. According to the intensity of accumulation, the bays are put in order as follows:' Nanliu River Dealt, Dafeng River Mouth, Chinzhou Bay, Fangcheng Bay and Tieshan Port.
出处
《热带地理》
北大核心
1989年第4期322-328,共7页
Tropical Geography
关键词
广西
海湾
沉积物
分布特征
The bays of Guangxi
Sediment
Distribution characteristics
