1前言这份研究报告的目的是阐明北海中部和东南部上新生界沉积物区域沉积模式。中中新世一现代沉积物构成了由A4ichel－sen等（1995）描述的主要层序地层单元7。单元7下部边界与所谓的“中中新世不整合”，即北海明显的地震标志层（DeeganandScull，1977）相对应，这从岩石物理 1 INTRODUCTION The purpose of this study is to clarify the depositional pattern of Cenozoic sediments in the central and southeastern North Sea. The Middle Miocene-Cenozoic sediments constitute the major sequence stratigraphic unit 7 described by A4ichel-sen et al. (1995). The lower boundary of cell 7 corresponds to the so-called “Miocene unconformity”, the apparent Seismic marker layer of the North Sea (Deegan and Scull, 1977)