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Volume 13
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10.3390/min13111427
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Article

Geochemistry and Zircon U–Pb Geochronology of the Wugongshan Granites in the Northwestern Jiangxi Area, China: Implications for the Paleozoic Tectonic Development of South China

by
Guangqin Yang
1,2,
Yaoyao Zhang
1,*,
Kai Liu
1,
Yi Zhou
2,
Shuxun Wang
1,2 and
Hailong Huo
2,*
1
Chinese Academy of Geological Sciences, Beijing 100037, China
2
School of Gemmology, China University of Geosciences, Beijing 100083, China
*
Authors to whom correspondence should be addressed.
Minerals 2023, 13(11), 1427; https://doi.org/10.3390/min13111427
Submission received: 18 September 2023 / Revised: 29 October 2023 / Accepted: 1 November 2023 / Published: 9 November 2023
(This article belongs to the Special Issue Petrogenesis, Magmatism and Geodynamics of Orogenic Belts)
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Abstract

The properties of the Caledonian orogeny along the transition belt of the Yangtze and Cathaysia blocks have received much attention in recent years. The widespread Early Paleozoic granites provide critical geological clues for unraveling the tectonic evolution and geodynamic processes of the South China Continent (SCC). Here we present new zircon U–Pb chronology, whole-rock major and trace elements, in situ Hf isotopes for Paleozoic granites, i.e., the Wugongshan granites in the northwest Jiangxi province, and aim to explore the magmatism and properties of the Caledonian orogeny involved in their formation. Our new data show that the Wugongshan granites were emplaced during the Early Silurian Period (442–438 Ma). The Paleozoic Wugongshan granites belong to S-type muscovite-bearing peraluminous granites (MPG) and show a single origin. The Wugongshan granites exhibit negative εHf(t) values (−11.56 to −6.19) and TDM2 model ages of 2148–1809 Ma, indicating their derivation from an ancient crustal source, through partial melting of ancient crustal material. The Wugongshan granitic magmatism is probably being generated in an extensional environment related to an intracontinental orogeny setting. It is inferred that the Paleozoic tectonic–magmatic event in the Wugongshan area was associated with the oceanic–continental convergence of the Paleo-Tethys Ocean. The Wugongshan granites highlight the intracontinental magmatism in the Early Paleozoic orogeny in the SCC.
Keywords: peraluminous S–type granite; intracontinental orogeny; Paleozoic; Wugongshan area; South China peraluminous S–type granite; intracontinental orogeny; Paleozoic; Wugongshan area; South China

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MDPI and ACS Style

Yang, G.; Zhang, Y.; Liu, K.; Zhou, Y.; Wang, S.; Huo, H. Geochemistry and Zircon U–Pb Geochronology of the Wugongshan Granites in the Northwestern Jiangxi Area, China: Implications for the Paleozoic Tectonic Development of South China. Minerals 2023, 13, 1427. https://doi.org/10.3390/min13111427

AMA Style

Yang G, Zhang Y, Liu K, Zhou Y, Wang S, Huo H. Geochemistry and Zircon U–Pb Geochronology of the Wugongshan Granites in the Northwestern Jiangxi Area, China: Implications for the Paleozoic Tectonic Development of South China. Minerals. 2023; 13(11):1427. https://doi.org/10.3390/min13111427

Chicago/Turabian Style

Yang, Guangqin, Yaoyao Zhang, Kai Liu, Yi Zhou, Shuxun Wang, and Hailong Huo. 2023. "Geochemistry and Zircon U–Pb Geochronology of the Wugongshan Granites in the Northwestern Jiangxi Area, China: Implications for the Paleozoic Tectonic Development of South China" Minerals 13, no. 11: 1427. https://doi.org/10.3390/min13111427

APA Style

Yang, G., Zhang, Y., Liu, K., Zhou, Y., Wang, S., & Huo, H. (2023). Geochemistry and Zircon U–Pb Geochronology of the Wugongshan Granites in the Northwestern Jiangxi Area, China: Implications for the Paleozoic Tectonic Development of South China. Minerals, 13(11), 1427. https://doi.org/10.3390/min13111427

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