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Characteristics of Meso-Cenozoic Igneous Complexes in the South Yellow Sea Basin, Lower Yangtze Craton of Eastern China and the Tectonic Setting
Pang, Yumao1,2,3,4; Zhang, Xunhua3,5,6; Xiao, Guolin3,5; Guo, Xingwei3,5; Wen, Zhenhe3,5; Wu, Zhiqiang3,5; Zhu, Xiaoqing3,5
2017-06-01
发表期刊ACTA GEOLOGICA SINICA-ENGLISH EDITION
卷号91期号:3页码:971-987
文章类型Article
摘要The South Yellow Sea Basin is partially surrounded by the East Asian continental Meso-Cenozoic widespread igneous rocks belt. Magnetic anomaly and multi-channel seismic data both reveal the prevalent occurrence of igneous rocks. We preliminarily defined the coupling relation between magnetic anomalies and igneous rock bodies. Some igneous complexes were also recognized by using multi-channel seismic and drilling data. We identified various intrusive and extrusive igneous rock bodies, such as stocks, sills, dikes, laccoliths and volcanic edifice relics through seismic facies analysis. We also forecasted the distribution characteristics of igneous complexes. More than fifty hypabyssal intrusions and volcanic relics were delineated based on the interpretation of magnetic anomaly and dense intersecting multi-channel seismic data. It is an important supplement to regional geology and basin evolution research. Spatial matching relations between igneous rock belts and fractures document that extensional N-E and N-NE-trending deep fractures may be effective pathways for magma intrusion. These fractures formed under the influence of regional extension during the Meso-Cenozoic after the Indosinian movement. Isotopic ages and crosscutting relations between igneous rock bodies and the surrounding bedded sedimentary strata both indicate that igneous activities might have initiated during the Late Jurassic, peaked in the Early Cretaceous, gradually weakened in the Late Cretaceous, and continued until the Miocene. Combined with previous studies, it is considered that the Meso-Cenozoic igneous activities, especially the intensive igneous activity of the Early Cretaceous, are closely associated with the subduction of the Paleo-Pacific Plate.
关键词South Yellow Sea Basin Igneous Complexes Magnetic Anomaly Seismic Facies Characteristics Igneous Activity Plate Subduction
DOI10.1111/1755-6724.13319
收录类别SCI
语种英语
WOS记录号WOS:000404966000013
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/137029
专题海洋地质与环境重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Shandong, Peoples R China
4.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao 266590, Shandong, Peoples R China
5.Qingdao Inst Marine Geol, MLR Key Lab Marine Hydrocarbon Resources & Enviro, Qingdao 266071, Shandong, Peoples R China
6.China Geol Survey, Nanjing Ctr, Nanjing 210016, Jiangsu, Peoples R China
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Pang, Yumao,Zhang, Xunhua,Xiao, Guolin,et al. Characteristics of Meso-Cenozoic Igneous Complexes in the South Yellow Sea Basin, Lower Yangtze Craton of Eastern China and the Tectonic Setting[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2017,91(3):971-987.
APA Pang, Yumao.,Zhang, Xunhua.,Xiao, Guolin.,Guo, Xingwei.,Wen, Zhenhe.,...&Zhu, Xiaoqing.(2017).Characteristics of Meso-Cenozoic Igneous Complexes in the South Yellow Sea Basin, Lower Yangtze Craton of Eastern China and the Tectonic Setting.ACTA GEOLOGICA SINICA-ENGLISH EDITION,91(3),971-987.
MLA Pang, Yumao,et al."Characteristics of Meso-Cenozoic Igneous Complexes in the South Yellow Sea Basin, Lower Yangtze Craton of Eastern China and the Tectonic Setting".ACTA GEOLOGICA SINICA-ENGLISH EDITION 91.3(2017):971-987.
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