Articles | Volume 17, issue 2
https://doi.org/10.5194/se-17-203-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-17-203-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 Feb 2026
Research article |
| 04 Feb 2026
| 04 Feb 2026
Petrogenesis and tectonic setting of late Paleoproterozoic diorites in the Trans-North China Orogen
Zhiyi Wang
State Key Laboratory of Lithospheric and Environmental Coevolution, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
Institute of Earth and Environmental Sciences, Albert-Ludwig University Freiburg, 79104 Freiburg, Germany
Jun He
CORRESPONDING AUTHOR
State Key Laboratory of Lithospheric and Environmental Coevolution, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
Wolfgang Siebel
Institute of Earth and Environmental Sciences, Albert-Ludwig University Freiburg, 79104 Freiburg, Germany
Shuhao Tang
State Key Laboratory of Lithospheric and Environmental Coevolution, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
Yiru Ji
State Key Laboratory of Lithospheric and Environmental Coevolution, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
Jianfeng He
State Key Laboratory of Lithospheric and Environmental Coevolution, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
Fukun Chen
State Key Laboratory of Lithospheric and Environmental Coevolution, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
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Short summary
Our study investigates ca. 1.78 Ga Jiguanshan diorite in the North China Craton. We found that Paleoproterozoic diorites across the craton share similar compositions and formed from melted deep crust, differing from volcanic and mafic rocks of the same age. Geochemical analysis reveals these diorites formed during crustal stretching, marking a tectonic shift from orogenic-related to within-plate settings. This provides key evidence for understanding how tectonic setting evolved after collisions.
Our study investigates ca. 1.78 Ga Jiguanshan diorite in the North China Craton. We found that...
