摘要
综合分析各种测井系列的地质信息，可划分各单井的层序地段（主要包括层序、准层序组和准层序）。测井与地震及生物地层资料结合可建立与传统地层对比不同的高分辨率年代地层构架。珠江口盆地从30百万年到现今共划分出18个层序、基本可与全球海平面升降旋回图对比，进一步阐明：30百万年以来各层序呈海进式叠置关系；古韩江三角洲沿盆地长轴发育及其演化特征；碳酸盐岩与硝屑岩交互发育的地层型式；陆架呈“陆－洼－隆”形态以及盆地呈长轴分布等特征。
Sequence stratigraphic units including mainly sequence,parasequence set and parasquence can be divided by making integral analysis of geological messages from different logging series.A high—resolution chronostratigraphy framework which is different from classical stratigraphy,could be built up by the combined use of logging,seismic and biostratigraphic information.Strata deposited in the Pearl River Mouth Basin,South China Sea since 30Ma are divided into 18 third-order sequences which are generally correlatable with Haq's (1988) global eustatic chart.The paper describes futherly the'transgressive pattern'of sequence stacking;the evolution of Paleo-Hanjiang delta system;the characteristics of interbeding carbonate and clastic rocks;the shelf with'land—sag—high'shape and linear basin shape.
出处
《中国海上油气（地质）》
1993年第1期9-18,共10页
China Offshore Oil and Gas(Geology)
