THE MESO-CENOZOIC BASINAL EVOLUTION AND HYDROCARBON ACCUMULATION IN THE MIDDLE AND SOUTHERN PART OF SOUTHERN NORTH CHINA

The formation and evolution of the Meso-Cenozoic basins in the middle and southern part of southern North China was mainly controlled by the Tanlu fault system and the Dabie orogenic belt.Based on study of influence of above memtioned tectonic units on southern North China block,and what with mapping of basin prototypes,it was indicated that the Meso-Cenozoic basins underwent multiple juxtaposition and superimposition of basin prototypes with compression,tenso-shear,expanding and weak compression.All of these played a very important parts in hydrocarbon accumulation.