| 浙江江山奥陶系宁国组疑源类化石的发现及其地质意义 |
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| 引用本文： | 许玩宏,尹磊明,郭福生,彭花明.浙江江山奥陶系宁国组疑源类化石的发现及其地质意义[J].华东地质学院学报,2002,25(1):6-8. |
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| 作者姓名： | 许玩宏 尹磊明 郭福生 彭花明 |
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| 作者单位： | [1]惠州大学地理系，广东惠州516001 [2]中国科学院南京地质古生物研究所，江苏南京210098 |
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| 基金项目： | 广东省教育厅高校自然科学研究项目(0 1 75) |
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| 摘 要： | 报道了发现于浙江江奥陶系宁国组的凝源类化石，计16属，以Baltiphoeridium,Leiosphaeridia,Multiplicis phaeridium,Peteriosphaeridum,Rhopaliophora最常见。结合其它地层古生物资料，简要讨论这些微体化石的地层及环境意义。
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| 关 键 词： | 奥陶系 宁国组 凝原类化石 激光 微体化石 古生物 |
| 文章编号： | 1000-2251(2002)01-006-03 |
| 修稿时间： | 2001年12月4日 |
The Discovery and the Geological Significance of Acritarchs the Ningguo Formation in Jiangshan Area, Zhejiang Province |
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| XU Wan-hong,YIN Lei-ming,GUO Fu-sheng,PENG Hua-ming.The Discovery and the Geological Significance of Acritarchs the Ningguo Formation in Jiangshan Area, Zhejiang Province[J].Journal of East China Geological Institute,2002,25(1):6-8. |
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| Authors: | XU Wan-hong YIN Lei-ming GUO Fu-sheng PENG Hua-ming |
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| Institution: | XU Wan-hong+1,YIN Lei-ming+2,GUO Fu-sheng+3,PENG Hua-ming+3 |
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| Abstract: | The ningguo Formation in Jiangshan Area,Zhejiang Province is 54.70 m thickness and consists of black to grey-green shales with graptolite Azygograptus suecicus, Cardiograptus amplus Glyptograptus austrodentatus etc. which suggest an Arenigian age. A rich acritarch assemblage, including 16 genera, is found from the Ningguo Formation of Lower Ordovician Series 5 km northwest of Jiangshan city, Zhejiang province. All Genera in the assemblage were also described previously from Arenig-Llanvirn in other area. Based on acritarchs,the authors think that Jiangshan area was in shallow water during Arenigian age. |
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| Keywords: | ordovician Ningguo formation fossile acritarchs Jiangshan Zhejiang province |
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