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目前,我国沿海和陆架区所钻遇的新生代“海相层”,大多为滨海-近岸浅海或海陆过渡相沉积,为了恢复这些地层的沉积环境,必须对现代滨海-近岸浅海或海陆过渡相中的各种沉积环境,如潮上带、潮间带、潮下带、河口、海湾和泻湖等的有孔虫和介形类等生物组合及其生态分布规律进行深入的研究.进而,以“将今论古”的原则,应用于地史时期,尤其是第四系的研究中,恢复其古地理、古环境.近年来,我国不少学者已开始了这方面的工作.本文的目的,在于介绍这一具体环境下有孔虫和介形类的组合面貌及分布特征,积累一点有关资料.相信这对本区第四系的研究将有一定的参考价值.
At present, most of the Cenozoic “marine strata” encountered in China’s coastal and continental shelf areas are coastal-coastal shallow sea or transitional facies sediments. In order to restore the sedimentary environment of these strata, the modern coastal-coastal shallow sea or land and sea Various sedimentary environments in transition facies, such as the foraminiferal and tidal flat, intertidal zone, subtidal zone, estuaries, fjord and lagoon, and other biological assemblages and their ecological distribution are studied in depth. , And apply the principle of “discussing ancient times with ancient times” to the study of geography period, especially Quaternary, restoring its paleogeography and paleoenvironment.In recent years, many scholars in our country started the work in this field. Aims to introduce the combination of foraminiferal and ostracods in this specific environment and to accumulate a little bit of relevant information, which is believed to have certain reference value for the study of Quaternary in this area.