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Discussion on origin of clay minerals in outcropped sandstone from Lower Cretaceous Chengzihe Formation and Muling Formation in Jixi Basin |
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| Authors: | LIU Jianying LIU Li QU Xiyu Exploration & Development Research Institute of Daqing Oilfield Company Ltd Daqing Heilongjiang China College of Earth Sciences Jilin University Changchun China |
| Institution: | LIU Jianying1,LIU Li2 , QU Xiyu2 1.Exploration & Development Research Institute of Daqing Oilfield Company Ltd.,Daqing 163712,Heilongjiang,China 2.College of Earth Sciences,Jilin University,Changchun 130061,China |
| Abstract: | Clay minerals in the outcropped sandstone from Lower Cretaceous Chengzihe Formation and Muling Formation in Jixi Basin were analyzed by X-ray diffraction.The results show that the clay minerals mainly consist of illite,kaollinite and illite/smectite,which can be divided into two types: kaolinite-and illite/smectite types.The outcropped sandstone occurred in middle diagenetic stage-A on the basis of the clay mineral composition.The development factor of the formation of kaolinite type clay mineral is caused ... |
| Keywords: | Jixi Basin Chengzihe Formation Muling Formation clay mineral origin |
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