| 西藏北部拉竹龙地区泥盆纪岩石地层单位划分与时代讨论 |
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| 引用本文： | 王权,董挨管,段春森,杨五宝,魏荣珠,柴金钟,武俊高,张永兴.西藏北部拉竹龙地区泥盆纪岩石地层单位划分与时代讨论[J].沉积与特提斯地质,2004,24(3):30-37. |
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| 作者姓名： | 王权 董挨管 段春森 杨五宝 魏荣珠 柴金钟 武俊高 张永兴 |
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| 作者单位： | 1. 山西省地质调查院,晋中地质调查分院,山西,晋中,030600
2. 山西省地质矿产勘查开发局217地质队,山西,大同,037008 |
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| 基金项目： | 中国地质调查局"1∶25万《土则岗日幅》(I44C002003)、《托和平错幅》(I44C002004)区域地质调查(200313000011)"。 |
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| 摘 要： | 在详细描述西藏北部拉竹龙地区泥盆纪地层剖面的基础上,根据在前人所划的奥陶系兽形湖组中采集到的大量属于泥盆纪的腕足类化石,修订了兽形湖组的定义,从而将区内泥盆纪地层划分为兽形湖组、拉竹龙组,并根据生物化石资料讨论了各组的时代。
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| 关 键 词： | 拉竹龙 泥盆纪 岩石地层 时代 藏北 |
| 文章编号： | 1009-3850(2004)03-0030-08 |
| 收稿时间： | 2002/8/5 0:00:00 |
Division and ages of the Devonian lithostratigraphic units in Lazhuglung, northern Xizang |
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| WANG Quan,DONG Ai-guan,DUAN Chun-sen,YANG Wu-bao,WEI Rong-zhu,CHAI Jin-zhong,WU Jun-gao,Zhang Yong-xing.Division and ages of the Devonian lithostratigraphic units in Lazhuglung, northern Xizang[J].Sedimentary Geology and Tethyan Geology,2004,24(3):30-37. |
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| Authors: | WANG Quan DONG Ai-guan DUAN Chun-sen YANG Wu-bao WEI Rong-zhu CHAI Jin-zhong WU Jun-gao Zhang Yong-xing |
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| Institution: | WANG Quan~1,DONG Ai-guan~1,DUAN Chun-sen~1,YANG Wu-bao~1,WEI Rong-zhu~1,CHAI Jin-zhong~,WU Jun-gao~1,Zhang Yong-xing~2 |
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| Abstract: | The Devonian strata in the Lazhuglung region, northern Xizang have been redivided, on the basis of abundant Devonian brachiopods fossils from the previously established Ordovician Shouxinghu Formation, into the two formations: Shouxinghu Formation and the first member (Dolostone Member) and second member (Limestone Member) of the Lazhuglung Formation. The ages of these Formations are assigned mostly to the Early-Late Devonian. |
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| Keywords: | Lazhuglung Devonian lithostratigraphic unit ages northern Xizang |
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