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《Journal of Daqing Petroleum Institute》 2001-03
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Depositional system and its evolution of Xujiaweizi fault basin

WANG Ping\|zai 1, XIN Ren\|chen 2 ( 1. China University of Mining, Beijing 100083, China; 2. Daqing Petroleum Institute, Anda, Heilongjiang 151400, China )  
Based on a great deal data of core, logging and seism, and with the newest methods of sedimentology and sequence stratigrphy, this paper deals with the types, characteristics and space-time distribution of depositional systems of Xujiaweizi Fault Basin. There are fluvial depositional system, fan delta depositional system, braided stream delta depositional system and lacustrine system developed in the fault basin, and vocanic facies also well developed in the basin during early and late stage of the basin evolution. Fluvial depositional system, fan delta depositional system were developed along the margin fault, toward the basin, change to deep lake facies, and in the deep lake area near the fan delta, lake floor fan probably developed, braided stream and braided stream delta depositional system mainly developed in the flexible marbin of the fault basin.
【CateGory Index】: P618.13
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