| 桂北兴安奥陶纪至志留纪初笔石序列的再研究 |
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| 引用本文： | 唐兰,陈旭,杨杰,杨兴莲,丛培允,杨显峰,王欣,张举,宋妍妍,陈中阳,侯旭东,张琳娜,孙海静.桂北兴安奥陶纪至志留纪初笔石序列的再研究[J].地层学杂志,2013(1):1-7. |
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| 作者姓名： | 唐兰 陈旭 杨杰 杨兴莲 丛培允 杨显峰 王欣 张举 宋妍妍 陈中阳 侯旭东 张琳娜 孙海静 |
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| 作者单位： | 广西大学资源与冶金学院;中国科学院南京地质古生物研究所,现代古生物学和地层学国家重点实验室,资源地层学与古地理学中国科学院重点实验室;云南大学云南省古生物研究重点实验室;贵州大学资源与环境工程学院;中国地质调查局西北地质调查中心 |
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| 基金项目： | 国际地质对比计划IGCP591项目研究成果;广西自然科学基金项目(No.2010GXNSFA013003);现代古生物学与地层学国家重点实验室课题(No.Y126040124)资助 |
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| 摘 要： | 桂北兴安发育有一套奥陶系至志留系底部的含笔石浅变质的碎屑岩地层,自下而上可分成3个岩石地层单元,即升坪组(下部),黄隘组(中部)和田岭口组(上部)。这些地层的笔石自下而上可分为奥陶系Corymbograp-tus cf.balticus层,Expansograptus hirundo带,Exigraptus clavus-Undulograptus austrodentatus带,Didymogra-ptus artus带,Dicellograptus sextans带,Leptograptus flaccidus trentonensis层,Dicellograptus elegans层,Dicel-lograptus ornatus带,Appendispinograptus venustus层及志留系底部的Neodiplograptus modestus层。
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| 关 键 词： | 生物地层 笔石序列 奥陶纪 志留纪 兴安 广西 |
A RESTUDY OF THE ORDOVICIAN TO EARLIEST SILURIAN GRAPTOLITE SEQUENCE FROM XING′AN,NORTH GUANGXI,CHINA |
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| TANG Lan,CHEN Xu,YANG Jie,YANG Xing-lian,CONG Pei-yun,YANG Xian-feng,WANG Xin,ZHANG Ju,SONG Yan-yan,CHEN Zhong-yang,HOU Xu-dong,ZHANG Lin-na,and SUN Hai-jing.A RESTUDY OF THE ORDOVICIAN TO EARLIEST SILURIAN GRAPTOLITE SEQUENCE FROM XING′AN,NORTH GUANGXI,CHINA[J].Journal of Stratigraphy,2013(1):1-7. |
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| Authors: | TANG Lan CHEN Xu YANG Jie YANG Xing-lian CONG Pei-yun YANG Xian-feng WANG Xin ZHANG Ju SONG Yan-yan CHEN Zhong-yang HOU Xu-dong ZHANG Lin-na and SUN Hai-jing |
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| Institution: | 4 ) 1 ) College of Resources and Metallurgy , Guangxi University , Nanning530003 ; 2 ) Key Laboratory of Economic Stratigraphy and Palaeogeography , State Key of Palaeobiology and Stratigraphy , Nanjing Institute of Geology and Palaeontology , Chinese Academy of Sciences , Nanjing210008 ; 3 ) Key Laboratory of Palaeontology , Yunnan University , Kunming650091 ; 4 ) College of Resources and Environment Engineering , Guizhou University , Guiyang550025 ; 5 ) Northwest Geological Survey Center , Chinese Geological Survey , Xi’an 710054 |
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| Abstract: | A restudy of the Ordovician to earliest Silurian graptolite sequence in the present paper is based on the stratigraphical report given by Chen X.et al. ( 1981 ) with an additional collection along the Huajiang section of Xing'an , N.Guangxi very recently.A revised graptolite zonation is shown in the following table. |
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| Keywords: | chronostratigraphy graptolite sequences Ordovician Silurian Xing'an Guangxi |
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