| 亚洲奥陶系牙形刺生物地层研究进展 |
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| 引用本文： | 薛春玲,戴霜,陈中阳,汪卫国.亚洲奥陶系牙形刺生物地层研究进展[J].地球科学进展,2021,36(1):29-44. |
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| 作者姓名： | 薛春玲 戴霜 陈中阳 汪卫国 |
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| 作者单位： | 兰州大学资源环境学院 西部环境教育部重点实验室,甘肃 兰州 730000;兰州大学地质科学与矿产资源学院甘肃省矿山环境和城市地质工程研究中心,甘肃 兰州 730000;中国科学院南京地质古生物研究所和生物演化与环境卓越创新中心现代古生物学和地层学国家重点实验室,江苏 南京 210008;自然资源部第三海洋研究所,福建 厦门 361005 |
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| 基金项目： | 中央高校项目“鄂尔多斯西南缘奥陶系磁性地层年代与磁化率研究”(编号:lzujbky-2017-k27);联合国教科文组织和国际地球科学联合会国际地学计划项目“利用多重地层学方法研究古生代沉积岩石记录的地质年代信息”(编号:IGCP652)资助。 |
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| 摘 要： | 牙形刺是奥陶纪地层划分的主导化石门类,目前已建立了可以全球对比的牙形刺生物化石带,但还缺乏对洲际尺度牙形刺生物带对比资料,特别缺乏精细年代控制的牙形刺生物地层资料。以研究程度较高的亚洲地区为例,梳理了亚洲内部奥陶纪牙形刺生物地层研究资料,初步建立了亚洲地区牙形刺生物地层对比格架,结合国际地质年表研究进展,提出了亚洲地区奥陶纪牙形刺研究需要解决的问题,即以目前执行的IGCP 652项目中国工作组研究任务为依托,开展我国鄂尔多斯西南缘奥陶系多重地层研究,有望获得高精度年代控制的奥陶纪牙形刺生物地层资料。
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| 关 键 词： | 牙形刺生物地层 奥陶系 亚洲 鄂尔多斯盆地 |
Research Progress of Ordovician Conodont Biostratigraphy in Asia |
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| XUE Chunling,DAI Shuang,CHEN Zhongyang,WANG Weiguo.Research Progress of Ordovician Conodont Biostratigraphy in Asia[J].Advance in Earth Sciences,2021,36(1):29-44. |
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| Authors: | XUE Chunling DAI Shuang CHEN Zhongyang WANG Weiguo |
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| Institution: | (Key Laboratory of Western China's Environmental Systems,Ministry of Education&College of Resources and Environment,Lanzhou University,Lanzhou 730000,China;Key Laboratory of Mineral Resources in Western China(Gansu Province)&School of Earth Sciences,Lanzhou University,Lanzhou 730000,China;State Key Laboratory of Palaeobiology and Stratigraphy,Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment,Nanjing 210008,China;Third Institute of Oceanography,Ministry of Natural Resources of China,Xiamen 361005,China) |
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| Abstract: | Conodont is the predominant fossil which is used to study the Ordovician stratigraphy.Although the conodont biozones which can be correlated in the globe have been built up,the correlation of each continent has not been paid more attention to,especially there is not conodont biostratigraphy constraint by high precision and accurate chronological data.We compiled the published Ordovician conodont biostratigraphy data of Asia and preliminarily set up an Ordovician conodont stratigraphy framework.Furthermore,in combination with the progress of International Geologic Time Scale,we proposed the solution for the Ordovician conodont biostratigraphy studies which should be addressed;that is,based on the running program IGCP 652 and the task of the China workgroup,we should carry out multiple stratigraphy studies for the Ordovician strata in southwest Ordos,and set up the improved conodont biostratigraphy. |
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| Keywords: | Conodont biostratigraphy Ordovician Asia Ordos Basin |
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