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内蒙古银额盆地及邻区石炭纪小独山期-二叠纪紫松期物源
引用本文:史冀忠,陈高潮,姜亭,牛亚卓,韩伟. 内蒙古银额盆地及邻区石炭纪小独山期-二叠纪紫松期物源[J]. 中国区域地质, 2013, 0(11): 1777-1789
作者姓名:史冀忠  陈高潮  姜亭  牛亚卓  韩伟
作者单位:中国地质调查局西安地质调查中心.陕西西安710054
基金项目:中国地质调查局项目(编号:1212011120962)
摘    要:应用重矿物资料、砂岩组分分析、沉积法、古水流测量等方法对银额盆地及其邻区石炭纪小独山期-二叠纪紫松期进行物源分析,重矿物组合和砂岩组分分析认为,研究区至少有敦煌-阿拉善-狼山古陆和马鬃山-拐子湖中间隆起带2个物源;沉积法和古水流测量结果显示,研究区北部(蒙古国境内)还存在一个物源,综合分析认为,研究区石炭纪小独山期-二叠纪紫松期存在3个物源,分别为敦煌-阿拉善-狼山古陆、马鬃山-拐子湖中间隆起带和研究区北部物源(蒙古国境内)。

关 键 词:银额盆地及邻区  小独山期-紫松期  重矿物  古水流  物源

The provenance of Carboniferous Xiaodushanian-Permian Zisongian stage in Yingen-Ejin Banner Basin and its vicinities.
SHI Ji-zhong,CHEN Gao-chao,JIANG Ting,NIU Ya-zhuo,HAN Wei. The provenance of Carboniferous Xiaodushanian-Permian Zisongian stage in Yingen-Ejin Banner Basin and its vicinities.[J]. Regional Geology of China, 2013, 0(11): 1777-1789
Authors:SHI Ji-zhong  CHEN Gao-chao  JIANG Ting  NIU Ya-zhuo  HAN Wei
Affiliation:( Xi'an Center of Geological Survey, CGS, Xi'an 710054, Shaanxi, China)
Abstract:Nowadays, the method of provenance analysis have numerous, the authors analyzed the provenance by using heavy mineral, the component of sandstone, sedimentation and measure of palaeoflow.The associations of heavy minerals and components of sandstone indicate that there at least existed two provenances, i.e., Dunhuang-Alxa-Langshan ancient land and Mazongshan-Guaizihu uplift zone. The sedimentation and palaeoflow measurements indicate the existence of another provenance in northern study area within Mongolia. In conclusion,the study area had three provenances in Xiaodushanian-Zisongian stage of Carboniferous-Permian, which were Dunhuang-Alxa-Langshan ancient land, Mazongshan-Guaizihu uplift zone and northern provenance in Mongolia.
Keywords:Yingen-Ejin Banner basin and its vicinities  Xiaodushanian-Zisongian stage  heavy mineral  palaeoflow  provenance
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