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Imaging-Based Characterization of Perthite in the Upper Triassic Yanchang Formation Tight Sandstone of the Ordos Basin, China

文献类型：期刊论文

作者Du SH（杜书恒）1; Shi GX2; Yue XJ2; Kou G2; Zhou B2; Shi YM3; Du SH(杜书恒)
刊名ACTA GEOLOGICA SINICA-ENGLISH EDITION
出版日期2019-04-01
卷号93期号:2页码:373-385
关键词petrography perthite element distribution EDS FE-SEM image processing Yanchang Formation Late Triassic Ordos Basin
ISSN号1000-9515
DOI10.1111/1755-6724.13768
通讯作者Du Shuheng(dushuheng@imech.ac.cn)
英文摘要This work investigated the element distribution of perthite from the Upper Triassic Yanchang Formation tight sandstone in the Ordos Basin of northern China by field emission scanning electron microscopy (FE-SEM) and energy dispersive spectrometer (EDS). FE-SEM results indicate significant differences in the morphology of Na-rich feldspar when K-rich feldspar is the main component of the perthite. EDS results show that different types of perthite have clearly defined differences on different element indexes. Additionally, indexes such as average-weight-K (K-rich)/Na (Na-rich), maximum-weight-K (Na-rich)/Na (Na-rich) and average-atomic-K (K-rich)/Na(Na-rich) might be the most effective ones to identify perthite types. Perthite is divided into six main types, i.e., perthite with thick parallel stripe distribution, with thin parallel stripe distribution, with lumpy stripe distribution, with dendritic stripe distribution, with encircling stripe distribution, and with mixed stripe distribution.
分类号二类
WOS关键词MISSISSIPPIAN BARNETT SHALE ; NORTH-CENTRAL TEXAS ; GAS SYSTEMS ; MODEL ; METASOMATISM ; GEOCHEMISTRY ; ADSORPTION ; EVOLUTION ; QUALITY
资助项目open fund of Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences[KLOR2018-6] ; National Science and Technology Project of China[2017ZX05013005-009]
WOS研究方向Geology
语种英语
WOS记录号WOS:000471333800009
资助机构open fund of Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Science and Technology Project of China
源URL[http://dspace.imech.ac.cn/handle/311007/78570]  
专题力学研究所_非线性力学国家重点实验室
通讯作者Du SH（杜书恒）; Du SH(杜书恒)
作者单位1.State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
2.Research Institute of Experiment and Detection of PetroChina Xinjiang Oilfield Company
3.Oil and Gas Institute, Peking University
推荐引用方式
GB/T 7714		 Du SH,Shi GX,Yue XJ,et al. Imaging-Based Characterization of Perthite in the Upper Triassic Yanchang Formation Tight Sandstone of the Ordos Basin, China[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2019,93(2):373-385.
APA Du SH.,Shi GX.,Yue XJ.,Kou G.,Zhou B.,...&Du SH.(2019).Imaging-Based Characterization of Perthite in the Upper Triassic Yanchang Formation Tight Sandstone of the Ordos Basin, China.ACTA GEOLOGICA SINICA-ENGLISH EDITION,93(2),373-385.
MLA Du SH,et al."Imaging-Based Characterization of Perthite in the Upper Triassic Yanchang Formation Tight Sandstone of the Ordos Basin, China".ACTA GEOLOGICA SINICA-ENGLISH EDITION 93.2(2019):373-385.

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来源：力学研究所

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