Cretaceous-Eogene Ostracod Assemblages in Henan and Their Evolutionary Features  

作　　者：Zhang Shen Jidong Oil Exploration &. Development Corp., Tanghai, Hebei Fei Zhenbi 

出　　处：《Acta Geologica Sinica(English Edition)》1995年第1期99-110,共12页地质学报（英文版）

摘　　要：This paper studies a large number of Cretaceous-Eogene ostracod fossils in the Meso-Cenozoic Nanyang, Zhoukou, Rendian, Luoyang, Lingbao, Tantou and Kaifeng basins of Henan. Eight ostracod assemblages have been recognized. This paper discusses their geographical distribution and geological ages as well as their features and evolutional trends. Besides, it also deals with the palaeoclimate under which the various assemblages lived and the significance in petroleum exploration.This paper studies a large number of Cretaceous-Eogene ostracod fossils in the Meso-Cenozoic Nanyang, Zhoukou, Rendian, Luoyang, Lingbao, Tantou and Kaifeng basins of Henan. Eight ostracod assemblages have been recognized. This paper discusses their geographical distribution and geological ages as well as their features and evolutional trends. Besides, it also deals with the palaeoclimate under which the various assemblages lived and the significance in petroleum exploration.

关 键 词：ostracod assemblage CRETACEOUS TERTIARY 

分 类 号：Q915[天文地球—古生物学与地层学]