| 对藏北嘎色地区沙木罗组的新认识 |
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| 引用本文： | 廖六根,李晓勇,邹爱建,肖业斌. 对藏北嘎色地区沙木罗组的新认识[J]. 沉积与特提斯地质, 2006, 26(2): 12-15 |
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| 作者姓名： | 廖六根 李晓勇 邹爱建 肖业斌 |
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| 作者单位： | 1.中国地质大学 资源学院,湖北 武汉 430074; 2.江西省地质调查院,江西 南昌 330201 |
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| 基金项目： | 中国地质调查局“1∶25万邦多区幅、措麦区幅区域地质调查”(200013000009161) |
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| 摘 要： | 笔者在西藏班公错-怒江结合带中段南缘嘎色地区的一套缺少化石依据的地层中,发现有孔虫Mesorbitolina sp.等化石,地层时代确定为晚侏罗世—早白垩世,层位应归属沙木罗组上部。该套地层地质时代的确定,对研究沙木罗组的沉积相,重塑古地理环境有十分重要意义。
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| 关 键 词： | 嘎色 上侏罗—下白垩统 沙木罗组 生物 藏北 |
| 文章编号： | 1009-3850（2006）02-0012-04 |
| 收稿时间： | 2005-02-19 |
| 修稿时间： | 2005-02-19 |
New explanation of the Shamuluo Formation in the Gase region,northern Xizang |
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| LIAO Liu-gen,LI Xiao-yong,ZOU Ai-jian,XIAO Ye-bin. New explanation of the Shamuluo Formation in the Gase region,northern Xizang[J]. Sedimentary Geology and Tethyan Geology, 2006, 26(2): 12-15 |
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| Authors: | LIAO Liu-gen LI Xiao-yong ZOU Ai-jian XIAO Ye-bin |
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| Affiliation: | 1.China University of Geosciences,Wuhan 430074,Hubei,China; 2.Jiangxi Institute of Geological Survey,Nanchang 330201,Jiangxi,China |
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| Abstract: | The foraminifera Mesorbitolina sp.occurs in the unfossiliferous strata in the Gase region,northern Xizang.The stratigraphic ages are traced back to the Late Jurassic-Early Cretaceous.The strata should be assigned to the upper part of the Shamuluo Formation.The timing of the strata is significant to the sedimentary facies analysis and palaeogeographic reconstruction of the Shamuluo Formation. |
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| Keywords: | Gase Upper Jurassic-Lower Cretaceous Shamuluo Formation organism northern Xizang |
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