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Strain and kinematic vorticity analysis: An indicator for sinistral transpressional strain-partitioning along the Lancangjiang shear zone, western Yunnan, China

文献类型：期刊论文

作者Zhang Bo1; Zhang JinJiang2; Zhong DaLai1; Guo Lei2
刊名SCIENCE IN CHINA SERIES D-EARTH SCIENCES
出版日期2009-05-01
卷号52期号:5页码:602-618
关键词strain kinematic vorticity transpression strain partitioning Lancangjiang shear zone
ISSN号1006-9313
DOI10.1007/s11430-009-0065-4
文献子类Article
英文摘要This work deals with the preliminary relationship between strain path and strain partitioning pattern in a sinistral transpressional zone, Lancangjiang shear zone, located to the southeast of Tibet. Various ductile rocks provide an opportunity to investigate quantitative finite strain (R (s)), kinematic vorticity values (W (m) ), and proportions of simple and pure shear components. The mean kinematic vorticity values (W (m) ) were evaluated based on three methods, such as R (s)-theta, prophyroclast hyperbolic distribution method (PHD), and polar Mohr diagram construction (PMD). W (m) for mylonitic metasediments of the low-grade schist belt ranged from 0.19 to 0.54. Protomylonites, mylonites, and ultramylonites recorded differential W (m) values, 0.19-0.73, 0.11-0.8, and 0.84-0.95 (even 0.99) respectively in the high-grade gneiss belt. Based on classical strain analysis and these kinematic vorticity evaluations, the shear zone is classified as a preliminarily bulk monoclinic symmetry. The pattern of vorticity path suggests that a previously undocumented transpressional setting and strain partitioning pattern in the southeast region of Tibet Plateau, characterized by steep-narrow domain of simple-shearing (Tertiary strike-slip shearing) deformation and wider domain of mostly pure-shearing (Tertiary contraction) to accommodate intracontinental deformation.
WOS关键词METAMORPHIC CORE COMPLEX ; INDO-CHINA ; SAMBAGAWA BELT ; SW JAPAN ; SE ASIA ; DEFORMATION ; TECTONICS ; EXTRUSION ; MYANMAR ; MODEL
WOS研究方向Geology
语种英语
WOS记录号WOS:000265924500003
出版者SCIENCE PRESS
资助机构National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; 49802020 ; 49802020 ; 49802020 ; 49802020 ; 40172074) ; 40172074) ; 40172074) ; 40172074) ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; 49802020 ; 49802020 ; 49802020 ; 49802020 ; 40172074) ; 40172074) ; 40172074) ; 40172074) ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; 49802020 ; 49802020 ; 49802020 ; 49802020 ; 40172074) ; 40172074) ; 40172074) ; 40172074) ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; National Natural Science Foundation of China(40802050 ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; China Postdoctoral Science Foundation(20070440065) ; 49802020 ; 49802020 ; 49802020 ; 49802020 ; 40172074) ; 40172074) ; 40172074) ; 40172074)
源URL[http://ir.iggcas.ac.cn/handle/132A11/70268]  
专题中国科学院地质与地球物理研究所
通讯作者Zhang Bo
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Peking Univ, Minist Educ, Key Lab Orogen Belts & Crustal Evolut, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714		 Zhang Bo,Zhang JinJiang,Zhong DaLai,et al. Strain and kinematic vorticity analysis: An indicator for sinistral transpressional strain-partitioning along the Lancangjiang shear zone, western Yunnan, China[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2009,52(5):602-618.
APA Zhang Bo,Zhang JinJiang,Zhong DaLai,&Guo Lei.(2009).Strain and kinematic vorticity analysis: An indicator for sinistral transpressional strain-partitioning along the Lancangjiang shear zone, western Yunnan, China.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,52(5),602-618.
MLA Zhang Bo,et al."Strain and kinematic vorticity analysis: An indicator for sinistral transpressional strain-partitioning along the Lancangjiang shear zone, western Yunnan, China".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 52.5(2009):602-618.

入库方式： OAI收割

来源：地质与地球物理研究所

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