| 吉林磐石七间房剖面石炭系鹿圈屯组的牙形刺及时代 |
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| 引用本文： | 李东津,周晓东,王光奇,陈明,朗嘉彬,王成源.吉林磐石七间房剖面石炭系鹿圈屯组的牙形刺及时代[J].世界地质,2012,31(3):441-450. |
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| 作者姓名： | 李东津 周晓东 王光奇 陈明 朗嘉彬 王成源 |
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| 作者单位： | 1． 吉林省区域地质矿产调查所，长春130022; 2． 吉林大学古生物学与地层学研究中心，长春130026; 3． 中国科学院南京地质古生物研究所，南京210008 |
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| 基金项目： | 中国地质科学院项目(212011220241);国家自然科学基金重点项目(40839910);面上项目(41072008);IGCP 591项目联合资助 |
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| 摘 要： | 在吉林磐石七间房剖面上部的两个样品( Lqt 22 和Lqt 26) 中发现了牙形刺Declinognathodus bernesge，D． inaequalis、D． noduliferous s． l． 及D． praenoduliferous。这一动物群的时代清楚地表明七间房剖面鹿圈屯组上部的时代为晚石炭亚纪巴什基尔期( Bashkirian) 的早期，可精确确定为D． praenoduliferous 带晚期至D． noduliferous 带早期。吉中地区石炭系的中间界线无疑在鹿圈屯组内部。
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| 关 键 词： | 石炭系中间线 鹿圈屯组 七间房剖面 Bashkirian 牙形剌 |
Conodonts and their age from Carboniferous Lujuantun Formation of Qijianfang section in Panshi,Jilin Province |
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| LI Dong-jin
,
ZHOU Xiao-dong
,
WANG Guang-qi
,
CHEN Ming
,
LANG Jia-bin
,
WANG Cheng-yuan.Conodonts and their age from Carboniferous Lujuantun Formation of Qijianfang section in Panshi,Jilin Province[J].World Geology,2012,31(3):441-450. |
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| Authors: | LI Dong-jin ZHOU Xiao-dong WANG Guang-qi CHEN Ming LANG Jia-bin WANG Cheng-yuan |
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| Institution: | 1． Regional Survey of Geology and Mineral Resources of Jilin Province，Changchun 130022，China; 2． Research Center of Palaeontology and Stratigraphy，Jilin University，Changchun 130026，China; 3． Nanjing Institute of Geology and Paleontology，Chinese Academy of Sciences，Nanjing 210008，China |
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| Abstract: | Conodonts are found in two samples collected from the upper part of Qijianfang section in Panshi of central Jilin Province,including Declinognathodus bernesge,D.inaequalis,D.noduliferous sensu lato and D.praenoduliferous.This fauna clearly indicated that the the sampled strata were the early Bashkirian of Late Carboniferous,precisely from the upper D.praenoduliferous zone to lower D.noduliferous zone.The intermediate line of Carboniferous was determined in the interval of the Lujuantun Formation in Jilin. |
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| Keywords: | intermediate line of Carboniferous Lujuantun Formation Qijianfang section Bashkirian conodonts |
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