| CRETACEOUS MAGNETOSTRATIGRAPHY IN THE SONGLIAO BASIN, CHINA |
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| 作者姓名： | 方大钧 王兆樑 金国海 高瑞琪 叶德泉 谢锦龙 |
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| 作者单位： | Department of Earth's Sciences，Zhejiang University Hangzhou 310027，PRC，Department of Earth's Sciences，Zhejiang University Hangzhou 310027，PRC，Department of Earth's Sciences，Zhejiang University Hangzhou 310027，PRC，Research Institute of Exploitation and Development，Daqing Oil Field 163712，PRC，Research Institute of Exploitation and Development，Daqing Oil Field 163712，PRC，Research Institute of Exploitation and Development，Daqing Oil Field 163712，PRC |
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| 摘 要： | This paper is the result of research on the Cretaceous magnetostratigraphy in the Songliao Basin. The palaeomagnetic experiment on 2235 specimens from 24 drills and an outcrop profile in Quantou shows that most specimens have stable remanent magnetization.The features of polarities associated with all the rock formations of the Cretaceous in the Songliao plain have been summarized. The reversed polarity zones have been found in the Yingcheng, Dcnglouku, Yaojia and Nenjiang Formations. These reserved-polarity zones and their geologic ages have been argued. Accordingly. the polarity columns for different drills and a comprehensive column have been compiled, and the classification and correlation of the Cretaceous stratigraphy in the Songliao Basin have been discussed.
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CRETACEOUS MAGNETOSTRATIGRAPHY IN THE SONGLIAO BASIN, CHINA |
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| FANG DA-JUN WANG ZHAO-LIANG JIN GUO-HAI.CRETACEOUS MAGNETOSTRATIGRAPHY IN THE SONGLIAO BASIN, CHINA[J].Science in China(Chemistry),1990(2). |
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| Authors: | FANG DA-JUN WANG ZHAO-LIANG JIN GUO-HAI |
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| Abstract: | This paper is the result of research on the Cretaceous magnetostratigraphy in the Songliao Basin. The palaeomagnetic experiment on 2235 specimens from 24 drills and an outcrop profile in Quantou shows that most specimens have stable remanent magnetization.The features of polarities associated with all the rock formations of the Cretaceous in the Songliao plain have been summarized. The reversed polarity zones have been found in the Yingcheng, Dcnglouku, Yaojia and Nenjiang Formations. These reserved-polarity zones and their geologic ages have been argued. Accordingly. the polarity columns for different drills and a comprehensive column have been compiled, and the classification and correlation of the Cretaceous stratigraphy in the Songliao Basin have been discussed. |
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| Keywords: | Cretaceous magnetostratigraphy stratigraphic classification and correlation |
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