Zircon U–Pb–Hf isotopes and geochemistry analyses of the Huyu igneous rocks in northwestern Beijing, China: possible new evidence for the initial destruction of the North China Craton

Ji, Zejia; Zhang, Zhicheng; Han, Bao‐Fu; Yu, Haifei; Chen, Yan

doi:10.1080/00206814.2017.1329032

Cited by 3 publications

(2 citation statements)

References 89 publications

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“…Fields of subducted slab, delaminated lower crust and thick lower crust are after Sun et al (2017), Wang et al (2006), and references therein. Data for orogenic thickened lower crust‐derived high Sr/Y magmatic rocks are after Chung et al (2003), Hou et al (2004), and Wang et al (2005); Data for intraplate lower crust‐derived high Sr/Y magmatic rocks are after Ma et al (2015) and references therein; Data for the Triassic felsic rocks in the NNCC are after Han et al (2004), Jiang et al (2007), S. H. Zhang, Zhao, Song, et al (2009), X. H. Zhang, Zhang, Wilde, Yang, and Chen (2010), Zhang et al (2011), Liu et al (2011), X. H. Zhang, Yuan, et al (2012), Z. Zhang, Zhang, et al (2012), Cao et al (2013), Ye et al (2014), S. H. Zhang, Zhao, Davis, et al (2014), Z. Zhang, Zhang, Shao, et al (2014), Wang et al (2015), S. H. Zhang, Zhao, et al (2016), Qiao et al (2017), Wang et al (2017), Ji, Zhang, Han, Yu, and Chen (2017), and references therein…”

Section: Discussionmentioning

confidence: 99%

Early‐Middle Triassic high Sr/Y granites in the northern margin of the North China Craton: Petrogenesis and tectonic implications

2022

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Handling Editor: E. Bozkurt Radiometric dating results and geochemical and isotopic data obtained in this study for two granitic plutons in the northern margin of the North China Craton (NNCC) provide important information on the tectonic environment of the North China Craton (NCC) in the Early to Middle Triassic. The two plutons, Wanlongchang and Baiyanaobao, were dated being formed at 247 Ma (our previous study) and 237 Ma (this study), respectively. These two granites are characterized by low initial 87 Sr/ 86 Sr ratios (0.7055-0.7073), ε Nd (t) values (À9.9 to À15.0), and zircon ε Hf (t) values (À8.7 to À27.0), suggesting their magmas originated from ancient lower crust. Both granites display high Sr/Y ratios (most >30) and (La/Yb) N (most >30), but low Cr (8.31-40.9 ppm), Ni (3.59-13.8 ppm), MgO (0.12-1.17%) contents, and low Mg # values (26-39), which suggests that the melts that formed the two granites were derived from thickened lower crust. When elemental concentration data and compiled Sr/Y ratios in the previous works are evaluated, it is revealed that many Early-Middle Triassic felsic rocks in this region have high Sr/Y ratios characters. Combining tectonomagmatic investigations, we further proposed that the Early-Middle Triassic crustal thickening may have resulted from the collision between the NCC and the South Mongolia Terranes after the final closure of the Palaeo-Asian Ocean.

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Section: Discussionmentioning

confidence: 99%

Early‐Middle Triassic high Sr/Y granites in the northern margin of the North China Craton: Petrogenesis and tectonic implications

2022

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“…The zircon Hf isotope analyses were conducted using a Neptune plus LA‐ICP‐MS (Thermo Fisher Scientific, Germany) in combination with a Geolas 2005 excimer ArF laser ablation system (Lambda Physik, Göttingen, Germany) that was hosted at the Tianjin Institute of Geology and Mineral Resources, China Geological Survey, Tianjin. For more details of the zircon preprocess, U–Pb dating, and Hf isotope measurement, please refer to Ji, Zhang, Han, Yu, and Chen ().…”

Section: Sampling and Analytical Methodsmentioning

confidence: 99%

Carboniferous–Early Permian sedimentary rocks from the north‐eastern Erenhot, North China: Implications on the tectono‐sedimentary evolution of the south‐eastern Central Asian Orogenic Belt

Zhang

Yang

et al. 2020

Geological Journal

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Reconstructing the Late Palaeozoic tectonic process of the Hegenshan Ophiolite Belt is critical for evaluating the protracted accretion and collision history of the south‐eastern Central Asian Orogenic Belt. The Carboniferous–Permian sedimentary rocks near the Erenhot area are key to revealing the evolutionary history of the Hegenshan Ocean. In this study, new stratigraphic, geochemical, and detrital zircon U–Pb age analyses were conducted on three Carboniferous–Early Permian strata (viz., Halatumiao, Amushan, and Benbatu formations). Deposition of the Halatumiao Formation began around 313 Ma, inferred from a zircon U–Pb age from a lower tuff layer. The end of deposition is constrained by two later intrusive high‐K granite plutons that give ages of 277–285 Ma. The predominant detrital zircon group in these strata is characterized by ages of 340–290 Ma, high positive εHf(t) values, and juvenile TDM2 ages, which suggest adjacent and unitary juvenile provenances. The Halatumiao Formation mainly consists of blackish fine‐grained sedimentary rocks with a thickness of 6–7 km implying a high sedimentation rate and a stable hydrodynamic condition. Thus, the Halatumiao Formation most likely indicates the existence of a deep and wide ocean basin under an effect of long‐lived and continuous extension. The Amushan Formation has a comparable depositional age to the Halatumiao Formation, based on three detrital zircon Palaeozoic age populations with peaks of 317, 389, and 441 Ma, but contains more complex provenances. The Benbatu Formation has an earlier deposition age between ca. 324 and 314 Ma. Its detrital zircons yield a predominant age group at around 410–440 Ma but lack syn‐sedimentary Late Palaeozoic age. Unlike the Halatumiao Formation, the two other formations are considerably smaller in terms of their deposition thickness and outcrop area. The transition from Benbatu to Amushan and Halatumiao formations records the development of a gradually deeper and wider ocean basin in response to a back‐arc extensional setting from the Late Carboniferous to the Early Permian.

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Petrogenesis and tectonic implications of the Late Triassic intrusions in the North China Craton: Case study on the Huata complex in the western Yanshan

Zeguang

Dong

et al. 2022

Lithos

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Zircon U–Pb–Hf isotopes and geochemistry analyses of the Huyu igneous rocks in northwestern Beijing, China: possible new evidence for the initial destruction of the North China Craton

Cited by 3 publications

References 89 publications

Early‐Middle Triassic high Sr/Y granites in the northern margin of the North China Craton: Petrogenesis and tectonic implications

Early‐Middle Triassic high Sr/Y granites in the northern margin of the North China Craton: Petrogenesis and tectonic implications

Carboniferous–Early Permian sedimentary rocks from the north‐eastern Erenhot, North China: Implications on the tectono‐sedimentary evolution of the south‐eastern Central Asian Orogenic Belt

Petrogenesis and tectonic implications of the Late Triassic intrusions in the North China Craton: Case study on the Huata complex in the western Yanshan

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