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《Journal of Chengdu University of Technology》 2001-01
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STUDY OF THE DISPOSITIONAL PROVENANCE OF THE TERRIGENOUS DETRITUS IN ORDOS BASIN IN LATE PALEOZOIC ERA

WANG Zheng jiang, ZHANG Jing quan, CHEN Hong de (Chengdu University of Technology, China)  
In this paper, by researching the sandstone type, the distribution and change of lithic fragment types and the distribution and change of the heavy minerals assemblage type in the Ordos Basin during the Late Paleozoic era, the authors divide the basin into several districts. These districts have the traits of semblance and inherence, and at the same time, they basically are consistent with the sandstone body distribution and the paleo current direction. According to the foregoing fact, the authors can reach the conclusion at least as follows : There are five delta sedimentary systems form early Dias to middle Dias. They are Shenmu Suide delta system, Wushengqi Jingbian delta system, Yinchuan Wuhai delta system, Pingliang Huanxian delta system and Tongchuan Hancheng delta system, respectively. Their places of origin, in turn, are Yingshan paleo land in the north, Alashan paleo land in the north west, Liupanshan paleo land in the south west, and Qilian Qingling paleo land in the south. Therefore that the terrigenous detrital materials have several places of origin is the major feature of the Paleozoic disposition of the Ordos Basin.
【Fund】: 国家“九五”科技攻关项目 !(99- 110 - 0 3- 0 1- 0 2 )
【CateGory Index】: P588.2
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