Late Cretaceous lithospheric extension in SE China: Constraints from volcanic rocks in Hainan Island

Zhou, Yun; Liang, Xinmiao; Kröner, Alfred; Cai, Yongfeng; Shao, Tongbin; Shang, Wen; Jiang, Ying; Fu, Jiangang; Wang, Ce; Dong, Chaoge

doi:10.1016/j.lithos.2015.06.028

Cited by 29 publications

(21 citation statements)

References 75 publications

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“…11). This trend reflects the geochemical evolution of the subduction-conditioned, subcontinental lithospheric mantle (SCLM) beneath SE China throughout the Mesozoic (Zhou et al 2015). Similar SCLM metasomatism and geochemical evolution patterns have also been documented from Mesozoic E-NE China (Liu et al 2006;Zheng et al 2018, and references therein; Wang et al 2019).…”

Section: Geochemical and Isotopic Character Of Mesozoic Magmatic Suitmentioning

confidence: 58%

“…The southeastward-younging ages of the Cretaceous calcalkaline rocks in E-SE China are consistent with this slab rollback interpretation. Slab dehydration triggered hydrous melting, which generated arc-like rocks in a magmatic belt close to the coastline (Figs 13c, 14c; Zhou et al 2015). Aesthenospheric decompression melting and low-pressure lower crustal melting beneath the trench-distal back-arc setting formed crustally contaminated MORB-like tholeiitic basalts in an intracontinental extensional system ( Fig.…”

Section: C Slab Segmentation and Steepening Plate Decoupling And mentioning

confidence: 99%

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Magmatic record of the Mesozoic geology of Hainan Island and its implications for the Mesozoic tectonomagmatic evolution of SE China: effects of slab geometry and dynamics in continental tectonics

Dilek

Tang

2020

Geol. Mag.

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Our field-based geochemical studies of the Triassic, Jurassic and Cretaceous granitoids on Hainan Island indicate that their magmas had different geochemical affinities, changing from alkaline in the Triassic through ocean island basalt (OIB) in the Jurassic, to calc-alkaline in the Cretaceous. We show that these changes in the geochemical affinities of the Mesozoic granitoids on Hainan and in SE China reflect different melt sources and melt evolution patterns through time. Our new geodynamic model suggests that: (1) Triassic geology was controlled by flat-slab subduction of the palaeo-Pacific plate beneath SE China. This slab dynamics resulted in strong coupling between the lower and upper plates, causing push-over tectonics and contractional deformation in SE China. Flat subduction-induced edge flow and aesthenospheric uprising led to the production of high-K granites, syenites and mafic rocks. (2) Slab foundering, accelerated subduction rates and subduction hinge retreat in the Early Jurassic caused rapid rollback of the downgoing slab. Strong decoupling of the upper and lower plates resulted in pull-away tectonics, producing extensional deformation in SE China. Decompression melting of the upwelling aesthenosphere produced OIB-type melts, which interacted with the subcontinental lithospheric mantle (SCLM) to form A- and I-type granitoids. (3) Segmentation of the palaeo-Pacific plate in the Early Cretaceous resulted in steeply dipping slabs and their faster rollback, facilitating lithospheric-scale extension and oceanward migration of calc-alkaline magmatism. This extensional deformation played a significant role in the formation of metamorphic core complexes, widespread crustal melting and development of a Basin and Range-type tectonics and landscape evolution in SE China.

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Section: Geochemical and Isotopic Character Of Mesozoic Magmatic Suitmentioning

confidence: 58%

Section: C Slab Segmentation and Steepening Plate Decoupling And mentioning

confidence: 99%

Magmatic record of the Mesozoic geology of Hainan Island and its implications for the Mesozoic tectonomagmatic evolution of SE China: effects of slab geometry and dynamics in continental tectonics

Dilek

Tang

2020

Geol. Mag.

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“…The Early Cretaceous volcanism is widespread in East China as studied by many (Zhang et al, 2002(Zhang et al, , 2003Fan et al, 2001;Liu et al, 2008;Yang & Li, 2008;Xu et al, 2008Xu et al, , 2013Ling et al, 2009;Tang et al, 2013;Liu et al, 2014;Zhou et al, 2015). The Mesozoic bimodal volcanic rocks have also been reported in East China, for example in the Hainan Island and Jiaozhou basin (Fan et al, 2001;Ling et al, 2009;Zhou et al, 2015).…”

Section: Implication For Reworking Of Lower Continental Crust Of the North China Cratonmentioning

confidence: 98%

The Early Cretaceous bimodal volcanic suite from the Yinshan Block, western North China Craton: Origin, process and geological significance

Guo

Niu

Sun

et al. 2018

Journal of Asian Earth Sciences

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“…Chen, et al, 2003;Wei et al, 2016;Zhou et al, 2004;and references therein). Several researchers have suggested that the extension occurred at 90-110 Ma (Dong et al, 2010;Jia et al, 2018;Jiang et al, 2013;Liu, Xu, & Xia, 2016;Pan et al, 2018;Yang, Shi, & Anderson, 2018;Wong et al, 2009;Zhou et al, 2015), and others have stated that the extension began at approximately 135 Ma (Deng et al, 2014;Gu et al, 2017;Huang et al, 2019;Ji et al, 2017Ji et al, , 2018Li, Zhang, et al, 2013;Liu, Xu, & Xia, 2014;Yang, Zhao, et al, 2018;Zhang et al, 2018). Multiple episodes of shortening and stretching occurred in Southeast China during the Late Mesozoic (Chu et al, 2019;Ji et al, 2018;Li et al, 2010Shu et al, 2009;Yu et al, 2020;Zhou et al, 2006).…”

Section: Cretaceous Growth Strata In Jixi Red Basinmentioning

confidence: 99%

Cretaceous growth strata in terrigenous basins in the East Yangtze Block: A response to Early Cretaceous extension in Southeast China

Peng

et al. 2021

Geological Journal

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Cretaceous syntectonic growth strata in terrigenous basins in Southeast China have scarcely been reported in previous studies. This work focusses on the growth strata of the Early Cretaceous red beds in the East Yangtze Block (EYB), especially in the Huangshan Basin in southern Anhui Province, to help determine the Late Mesozoic tectonic domain and the precise timing of the initiation of extensional tectonics in Southeast China. Field observations show that the dip angles of the red conglomerate-bearing sandstones from the lower part of the Huizhou Fm. vary from 49 to gentle dips towards the basin centre and that the visible and estimated thickness within a single bed increases slightly downward from the upper to the lower part. These characteristics indicate that the sedimentary area of the Early Cretaceous Huizhou Formation (Fm.) has undergone an extensional process with the expansion and deepening of the sedimentary basin by rotation of the border surface (limb) and thus deposited the extension growth strata simultaneously with (or closely after) the 139 Ma Shiling volcanic activity. Caused by a NW-SE-oriented extensional stress field since ca. 140 Ma, a model in which NE-SW-oriented tectonic lines transform to E-W-trending tectono-magmatic belts by intersecting and inheriting the previous E-W-trending tectonic fabrics is established in the present work. Consequently, these phenomena are influenced by Palaeo-Pacific Plate rollback and the inheritance of astructural framework from the regional basement strata and deformation series.

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Late Cretaceous lithospheric extension in SE China: Constraints from volcanic rocks in Hainan Island

Cited by 29 publications

References 75 publications

Magmatic record of the Mesozoic geology of Hainan Island and its implications for the Mesozoic tectonomagmatic evolution of SE China: effects of slab geometry and dynamics in continental tectonics

Magmatic record of the Mesozoic geology of Hainan Island and its implications for the Mesozoic tectonomagmatic evolution of SE China: effects of slab geometry and dynamics in continental tectonics

The Early Cretaceous bimodal volcanic suite from the Yinshan Block, western North China Craton: Origin, process and geological significance

Cretaceous growth strata in terrigenous basins in the East Yangtze Block: A response to Early Cretaceous extension in Southeast China

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