周口盆地渐新统新知  

A NEW RECOGNITION OF OLIGOCENE SERIS IN ZHOUKOU BASIN

作　　者：曲新国[1] 赵厚宏 沈后 王蓉 

机构地区：[1]河南石油勘探局勘探开发研究院 [2]安徽石油勘探公司地质研究所

出　　处：《石油学报》1992年第2期130-136,共7页Acta Petrolei Sinica

摘　　要：本文在综合分析周口盆地渐新统现有资料的基础上修改了以往的认识,建立了本区渐新统介形类、轮藻、孢粉化石组合。盆地东部长期悬而未决的渐新统首次得到了肯定和划分。指出了盆地东部和西部渐新统存在的差异。The results of a new study of Oligocene series in Zhoukou Basin are reported in the pres-ent paper. Based on a composite analysis of existing data, some previous recognitions have been changed. Ostracodes, charophyte, spore-pollen fossil assemblages have been established. The existence of Oligocene series in the eastern basin is confirmed and the series is classfied for the first time. The differences between Oligocene series in the east and west are demonstrated。

关 键 词：第三纪 生物地层学 地层对比 

分 类 号：P534.61[天文地球—古生物学与地层学]