STRUCTURAL STYLES AND THEIR DISTRIBUTION PATTERN IN THE SOUTHERN EAST CHINA SEA SHELF BASIN

Based on regional seismic data,we studied in this paper the structural characteristics of the southern East China Sea Shelf Basin. Our results show:(1) There are three structural styles, namely extensional, compressional, and complex structures, in the study area according to their dynamic mechanism. (2)The extensional structural style can be further subdivided into the half graben, composite graben, domino faulted graben, tilting block and magmatic structures. The compressional structural style can be subdivided into compressional anticline, faulted anticline and imbricated faults. The complex structural styles can be subdivide into positive inversion tectonics and negative flower structures.