The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Grain- size Characteristics and Geomorphology Evolution in Late Cenozoic Era Sediments, Changjiang Estuary
Author(s): 
Pages: 674-683
Year: Issue:  4
Journal: Acta Sedimentologica Sinica

Keyword:  粒度分析沉积地貌长江口晚新生代;
Abstract: 对长江河口区的三个晚新生代钻孔作了地层对比和粒度分析,据此探讨晚新生代长江河口的沉积地貌环境演变过程.结果表明,SG6和J18A孔上新世厚层含砾砂质沉积物粒度特征,反映了洪积扇和冲积扇相沉积环境,沉积物搬运距离短;而SG13孔缺失上新世沉积,反映古地势较高,以剥蚀为主.因此上新世长江三角洲地区古地势高差较大,侵蚀区和沉积区共存.早更新世,本区继承了上新世的冲、洪积扇沉积环境,但SG6孔泥质沉积明显...
Related Articles
No related articles found