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STRATIGRAPHIC CLASSIFICATION AND ENGINEERING GEOLOGICAL CHARACTERISTICS OF THE SEA FLOOR IN QIONGZHOU STRAIT
Author(s): 
Pages: 50-57
Year: Issue:  4
Journal: GUANGDONG GEOLOGY

Keyword:  地层工程地质琼州海峡;
Abstract: 琼州海峡工程地质钻探表明,上新世以来的地层包括:全新世北尖组、更新世玄武岩、早更新世湛江组和上新世望楼港组.其中北尖组厚度不均;更新世的玄武岩及湛江组仅分布于琼州海峡两岸,海峡中部缺失;望楼港组分布广泛,以浅海沉积为主,主要为低液限粘土和粉土质砂.在海峡的滨岸-岸坡地段,地层较复杂,且随着离岸距离和水深的增大,上部地层缺失增多;谷坡-谷底地段,地层相对较单一.从上至下,地层的总体土工指标增大,承载力也增大.
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