| 西藏谢通门春哲地区发现中二叠世地层 |
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| 引用本文： | 马富财,李鹏,杨文,刘显川. 西藏谢通门春哲地区发现中二叠世地层[J]. 地质通报, 2018, 37(7): 1197-1201 |
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| 作者姓名： | 马富财 李鹏 杨文 刘显川 |
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| 作者单位： | 陕西地矿区研院有限公司;中国地质大学(北京)地球科学与资源学院;成都理工大学地球科学学院 |
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| 基金项目： | 中国地质调查局项目《冈底斯-喜马拉雅铜矿资源基地调查项目》（编号：DD20160015） |
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| 摘 要： | 通过西藏春哲地区1∶5万区域地质调查,在西藏谢通门北部春哲地区新发现一套整合于下拉组(P_(1x))的钙质碎屑岩岩石组合,并首次获得中二叠世Yatsengia珊瑚化石,地层剖面位于谢通门县春哲乡北部白察不拉一带;通过剖面岩石组合、接触关系、古生物化石资料及区域对比,认为该套岩石组合应单独建组,为进一步完善冈底斯中段古生代地层系统及盆地演化的研究提供了新的资料。
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| 关 键 词： | 西藏 冈底斯中段 中二叠世 下拉组 |
| 收稿时间： | 2017-08-29 |
| 修稿时间： | 2017-10-10 |
The discovery of Middle Permian strata in Chunzhe area Xietongmen,Tibet |
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| MA Fucai,LI Peng,YANG Wen and LIU Xianchuan. The discovery of Middle Permian strata in Chunzhe area Xietongmen,Tibet[J]. Geologcal Bulletin of China, 2018, 37(7): 1197-1201 |
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| Authors: | MA Fucai LI Peng YANG Wen LIU Xianchuan |
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| Affiliation: | Regional Geological Survey Academy of Shaanxi Geology and Mining Group Co., LTD., Xianyang 712000, Shaanxi, China;School of Earth Sciences and Resources, China University of Geosciences(Beijing), Beijing 100083, China,Regional Geological Survey Academy of Shaanxi Geology and Mining Group Co., LTD., Xianyang 712000, Shaanxi, China,Regional Geological Survey Academy of Shaanxi Geology and Mining Group Co., LTD., Xianyang 712000, Shaanxi, China and College of Earth Sciences, Chengdu University of Technology, Chengdu 610059, Sichuan, China |
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| Abstract: | During the 1:50000 regional geological survey in Chunzhe area of Tibet, first discovered the Calcareous clastic rock combination that is in conformity with the Xiala Formation on the north of the Chunzhe area,Xietongmen,Tibet. Also first achieve the Yatsengia coral fossils, which lived in Middle Permian. And the geological section locates in Baichabula. Author insist that the rock combination should be established a new formation alone by contrast with the geological section''s rock combination, the contact relationship, the date of paleontological fossil and the area.It provides new data for the further improvement of the Palezoic stratigraphic system and basin evolution in middle of Gangdise. |
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| Keywords: | Tibet the middle of Gangdise Middle Permian Xiala Formation |
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