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The location and evolution of the tectonic boundary between the Paleoproterozoic Jiao-Liao-Ji Belt and the Longgang Block, northeast China
Peng, Chong1; Xue, Lin-Fu1; Zhu, Ming1; Chai, Yuan1; Liu, Wen-Yu2
2016
Source PublicationPRECAMBRIAN RESEARCH
Volume272Pages:18-38
SubtypeArticle
AbstractIn this paper we discuss the location, nature, and evolution of the tectonic boundary between the Jiao-Liao-Ji Belt and the Longgang Block, northeast China. The boundary in terms of paleogeography, which involves a study of the Liaohe Group, or tectonics. Employing non-seismic geophysical data (e.g., gravity data and magnetotelluric soundings), existing geological data, and the differences in physical properties between the Jiao-Liao-Ji Belt and the Longgang Block, we clarified the spatial distribution of the tectonic boundary, and characterized the geological bodies at different depths on either side of the boundary. We analyzed the most recently updated Bouguer gravity anomaly, gravity, magnetic, and electrical profile data, as well as comprehensive data on the physical properties of the rocks in the research area, thus providing information on the geological nature of the boundary at deep levels. The results indicate that during the early period of formation of the Jiao-Liao-Ji Belt, a basin-controlling boundary fault developed that constituted the original tectonic boundary between the Jiao-Liao-Ji Belt and the Longgang Block. This fault extended from Shuangtaling to Sandaoling, Lian Shanguan, Dawanggou, Balidianzi, and Erhulai to Guaimozi, following a roughly east-west trend. Most previous studies have considered that the Liaohe Group, which extends from Benxi City to Benxi County and Huanren County, is the paleo-geographic boundary of the Jiao-Liao-Ji Belt. (C) 2015 Elsevier B.V. All rights reserved.
KeywordNorth China Craton Jiao-liao-ji Belt Longgang Block Fault Non-seismic Geophysical Tectonic Boundary
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordZIRCON U-PB ; PRESSURE MAFIC GRANULITES ; ULTRAHIGH-TEMPERATURE METAMORPHISM ; ND ISOTOPIC COMPOSITIONS ; WHOLE-ROCK GEOCHEMISTRY ; CRATON KEY ISSUES ; EASTERN BLOCK ; T PATH ; CRUSTAL EVOLUTION ; DETRITAL ZIRCONS
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000368868900002
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6290
Collection青海盐湖研究所知识仓储
Affiliation1.Jilin Univ, Coll Earth Sci, Changchun 130061, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Peng, Chong,Xue, Lin-Fu,Zhu, Ming,et al. The location and evolution of the tectonic boundary between the Paleoproterozoic Jiao-Liao-Ji Belt and the Longgang Block, northeast China[J]. PRECAMBRIAN RESEARCH,2016,272:18-38.
APA Peng, Chong,Xue, Lin-Fu,Zhu, Ming,Chai, Yuan,&Liu, Wen-Yu.(2016).The location and evolution of the tectonic boundary between the Paleoproterozoic Jiao-Liao-Ji Belt and the Longgang Block, northeast China.PRECAMBRIAN RESEARCH,272,18-38.
MLA Peng, Chong,et al."The location and evolution of the tectonic boundary between the Paleoproterozoic Jiao-Liao-Ji Belt and the Longgang Block, northeast China".PRECAMBRIAN RESEARCH 272(2016):18-38.
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