Articles | Volume 17, issue 9
https://doi.org/10.5194/se-17-1035-2026
© 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-17-1035-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
09 Sep 2026
Research article |
| 09 Sep 2026
| 09 Sep 2026
Silurian syn- and post-collision granitic magmatism in the western section of the North Qinling Orogen: implications for collisional orogenic processes
Hao Lin
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
Zuochen Li
CORRESPONDING AUTHOR
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
Xi'an Key Laboratory for Mineralization and Efficient Utilization of Critical Metals, Xi'an 710054, China
Xianzhi Pei
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
Xi'an Key Laboratory for Mineralization and Efficient Utilization of Critical Metals, Xi'an 710054, China
Shaowei Zhao
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
Xi'an Key Laboratory for Mineralization and Efficient Utilization of Critical Metals, Xi'an 710054, China
Meng Wang
Geophysical Exploration Academy of China Metallurgical Geology Bureau, Baoding 071051, China
Hai Zhou
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
Xi'an Key Laboratory for Mineralization and Efficient Utilization of Critical Metals, Xi'an 710054, China
Feng Gao
School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China
Mao Wang
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
Li Qin
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
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Short summary
There is still considerable controversy over the duration of the subduction-collision orogeny process of the Wushan-Shangdan Ocean. Here, we present new geochronological and geochemical data for Silurian granites from the North Qinling Orogen. The main conclusions are as follows: (1) the ocean had closed prior to 438 Ma; (2) The transition phase from syn-collision to post-collision took place between 429 and 421 Ma; (3) A three-stage tectonic model of the Wushan-Shangdan Ocean is proposed.
There is still considerable controversy over the duration of the subduction-collision orogeny...
