| Age of Berh Hairhan Formation of Mongolia dated by conodonts |
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| 引用本文： | References：. Age of Berh Hairhan Formation of Mongolia dated by conodonts[J]. 东北亚地学研究, 2007, 10(1): 1-5 |
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| 作者姓名： | References： |
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| 作者单位： | [1]Narzjing Institute of Geology arid Palaeontology, Chinese Acadetny of Sciences, Nanjing 210008, China [2]Geological Information Center, Mineral Resources Authority of Mongolia, Ulaanbaatar-13 , Mongolia [3]Research Center of Paleontology ＆ Stratigraphy, Jilin University, Clmngchun 130026, China. |
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| 摘 要： | Conodont Caudicriodus angustus angustus(Steward et al.,1956) and Caudicriodus angustus cauda(Wang et al.,2005) were found from a big limestone lens of the Berh Hairhan Formation in the place of W 150 km to Ulaanbaatar City.The discovery indicates that the Berh Haihan Formation should be assigned to Middle Devonian Eifelian Stage.This conodont fauna was from a shallow cooler water facies in the relatively high latitude.
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| 关 键 词： | 蒙古 中部泥盆纪 牙形石 艾菲尔阶 |
| 文章编号： | 1673-9736（2007）01-0001-05 |
Age of Berh Hairhan Formation of Mongolia dated by conodonts |
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| Chengyuan WANG,Dorjsuren Byambadash,Bujinlkham Boujir,Jiabin LANG,. Age of Berh Hairhan Formation of Mongolia dated by conodonts[J]. Journal of Geoscientific Research in Northeast Asia, 2007, 10(1): 1-5 |
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| Authors: | Chengyuan WANG Dorjsuren Byambadash Bujinlkham Boujir Jiabin LANG |
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| Abstract: | Conodont Caudicriodus angustus angustus(Steward et al.,1956) and Caudicriodus angustus cauda(Wang et al.,2005) were found from a big limestone lens of the Berh Hairhan Formation in the place of W 150 km to Ulaanbaatar City.The discovery indicates that the Berh Haihan Formation should be assigned to Middle Devonian Eifelian Stage.This conodont fauna was from a shallow cooler water facies in the relatively high latitude. |
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| Keywords: | Berh Hairhan Formation conodonts Middle Devonian Eifelian Stage Mongolia |
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