Petrogenesis of early Paleozoic granitoids in the North Qinling Orogen, Central China: Implications for crustal evolution in an accretionary orogen

Hao, Leran; Yang, Debin; Wang, Anqi; Quan, Yikang; Yan, Xiangyu; Wang, Shuo

doi:10.1016/j.gsf.2023.101764

Geoscience Frontiers

2024

DOI: 10.1016/j.gsf.2023.101764

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Petrogenesis of early Paleozoic granitoids in the North Qinling Orogen, Central China: Implications for crustal evolution in an accretionary orogen

Leran Hao,

Debin Yang,

Anqi Wang

et al.

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Cited by 3 publications

References 97 publications

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A case study for efficient magma mixing: Constraints from early Paleozoic high Ba–Sr granitoids in the North Qinling Orogen, Central China

Hao,

Yang,

et al. 2024

Journal of Asian Earth Sciences

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A case study for efficient magma mixing: Constraints from early Paleozoic high Ba–Sr granitoids in the North Qinling Orogen, Central China

Hao,

Yang,

et al. 2024

Journal of Asian Earth Sciences

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Diverse apatite geochemical compositions in early Paleozoic granitoids of the North Qinling orogen, China: Insights into their petrogenesis and magma sources

Hao,

Yang,

Wang

et al. 2024

Lithos

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Tectonic evolution of the Northeastern Paleo-Tethys Ocean during the late Triassic: insights from depositional environment and provenance of the Xujiahe formation

Xie,

Xiao,

Sami

et al. 2024

Front. Earth Sci.

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The Triassic tectonic evolution and affinity among the Yangtze Block, Qinling Orogenic Belt and Songpan-Ganzi Terrane remain subjects of ongoing scientific debate. In this context, the sedimentary rocks of Xujiahe Formation (second segment) (T3x2) represent an ideal case for addressing this issue. In this study, new stratigraphic, geochemical and detrital zircon analyses have been conducted on two sections of the T3x2. The stratigraphic assemblage and features suggests a braided delta as the depositional setting. Whole-rock geochemical results indicate that the sandstones from the T3x2 exhibit moderate palaeo-weathering and primarily originate from upper crustal felsic rocks, mostly S-type granites. The detrital zircons within these sandstones display distinctive age peaks at intervals of 200–300 Ma, 700–900 Ma, and 1800–2000 Ma, similar to those from the Qinling Orogenic Belt. Both the clastic particle composition and whole-rock geochemistry indicates that the T3x2 sections were deposited in a tectonic environment transitioning from a passive to an active continental margin, highlighted by a braided delta influenced by rivers flowing from the northeast to the southwest.

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Petrogenesis of early Paleozoic granitoids in the North Qinling Orogen, Central China: Implications for crustal evolution in an accretionary orogen

Cited by 3 publications

References 97 publications

A case study for efficient magma mixing: Constraints from early Paleozoic high Ba–Sr granitoids in the North Qinling Orogen, Central China

A case study for efficient magma mixing: Constraints from early Paleozoic high Ba–Sr granitoids in the North Qinling Orogen, Central China

Diverse apatite geochemical compositions in early Paleozoic granitoids of the North Qinling orogen, China: Insights into their petrogenesis and magma sources

Tectonic evolution of the Northeastern Paleo-Tethys Ocean during the late Triassic: insights from depositional environment and provenance of the Xujiahe formation

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