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Middle Jurassic-Early Cretaceous tectonic evolution of the Bayanhushuo area, southern Great Xing'an Range, NE China: constraints from zircon U-Pb geochronological and geochemical data of volcanic and subvolcanic rocks
Guan, Qing-Bin1; Liu, Zheng-Hong1; Wang, Bin2; Wang, Xiong3; Wang, Xing-An4; Shi, Qiang1; Chen, Yu-Song1
2018-11-18
发表期刊INTERNATIONAL GEOLOGY REVIEW
ISSN0020-6814
卷号60期号:15页码:1883-1905
摘要This study presents new zircon U-Pb geochronology, geochemistry, and zircon Hf isotopic data of volcanic and subvolcanic rocks that crop out in the Bayanhushuo area of the southern Great Xing'an Range (GXR) of NE China. These data provide insights into the tectonic evolution of this area during the late Mesozoic and constrain the evolution of the Mongol-Okhotsk Ocean. Combining these new ages with previously published data suggests that the late Mesozoic volcanism occurred in two distinct episodes: Early-Middle Jurassic (176-173 Ma) and Late Jurassic-Early Cretaceous (151-138 Ma). The Early-Middle Jurassic dacite porphyry belongs to high-K calc-alkaline series, showing the features of I-type igneous rock. This unit has zircon epsilon(Hf)(t) values from +4.06 to +11.62 that yield two-stage model ages (T-DM2) from 959 to 481 Ma. The geochemistry of the dacite porphyry is indicative of formation in a volcanic arc tectonic setting, and it is derived from a primary magma generated by the partial melting of juvenile mafic crustal material. The Late Jurassic-Early Cretaceous volcanic rocks belong to high-K calc-alkaline or shoshonite series and have A(2)-type affinities. These volcanics have epsilon(Hf)(t) and T-DM2 values from +5.00 to +8.93 and from 879 to 627Ma, respectively. The geochemistry of these Late Jurassic-Early Cretaceous volcanic rocks is indicative of formation in a post-collisional extensional environment, and they formed from primary magmas generated by the partial melting of juvenile mafic lower crust. The discovery of late Mesozoic volcanic and subvolcanic rocks within the southern GXR indicates that this region was in volcanic arc and extensional tectonic settings during the Early-Middle Jurassic and the Late Jurassic-Early Cretaceous, respectively. This indicates that the Mongol-Okhotsk oceanic plate was undergoing subduction during the Early-Middle Jurassic, and this ocean adjacent to the GXR may have closed by the Late Middle Jurassic-Early Late Jurassic. [GRAPHICS] .
关键词Middle Jurassic-Early Cretaceous Southern Great Xing'an Range volcanic rocks Mongol-Okhotsk Ocean zircon U-Pb geochronology geochemistry
DOI10.1080/00206814.2017.1396260
收录类别SCI
语种英语
资助项目Jilin University[2017092] ; China Geological Survey[1212011120709] ; Natural Science Foundation of China[41602209] ; Natural Science Foundation of China[41340024] ; Natural Science Foundation of China[41272223] ; Natural Science Foundation of China[41272223] ; Natural Science Foundation of China[41340024] ; Natural Science Foundation of China[41602209] ; China Geological Survey[1212011120709] ; Jilin University[2017092]
WOS研究方向Geology
WOS类目Geology
WOS记录号WOS:000446413300005
出版者TAYLOR & FRANCIS INC
引用统计
被引频次:18[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/337002/160421
专题海洋地质与环境重点实验室
通讯作者Liu, Zheng-Hong
作者单位1.Jilin Univ, Coll Earth Sci, Changchun 130061, Jilin, Peoples R China
2.Shandong Prov 6 Explorat Inst Geol & Mineral Reso, Weihai, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao, Peoples R China
4.Northeast Normal Univ, Coll Geog Sci, Changchun, Jilin, Peoples R China
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Guan, Qing-Bin,Liu, Zheng-Hong,Wang, Bin,et al. Middle Jurassic-Early Cretaceous tectonic evolution of the Bayanhushuo area, southern Great Xing'an Range, NE China: constraints from zircon U-Pb geochronological and geochemical data of volcanic and subvolcanic rocks[J]. INTERNATIONAL GEOLOGY REVIEW,2018,60(15):1883-1905.
APA Guan, Qing-Bin.,Liu, Zheng-Hong.,Wang, Bin.,Wang, Xiong.,Wang, Xing-An.,...&Chen, Yu-Song.(2018).Middle Jurassic-Early Cretaceous tectonic evolution of the Bayanhushuo area, southern Great Xing'an Range, NE China: constraints from zircon U-Pb geochronological and geochemical data of volcanic and subvolcanic rocks.INTERNATIONAL GEOLOGY REVIEW,60(15),1883-1905.
MLA Guan, Qing-Bin,et al."Middle Jurassic-Early Cretaceous tectonic evolution of the Bayanhushuo area, southern Great Xing'an Range, NE China: constraints from zircon U-Pb geochronological and geochemical data of volcanic and subvolcanic rocks".INTERNATIONAL GEOLOGY REVIEW 60.15(2018):1883-1905.
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