| Citation: | Pengdong Liu, Fei Liu, Xiaohan Gong, Xinyang Zhu, Bo Wu, Guangya Wang, Ahmed E. Masoud. Meso-Tethys Ocean-Continent Subduction: Evidence from Zircon U-Pb Age and Geochemistry of Tonga-Like Boninites and High-Mg Andesites in the Dingqing Ophiolite, Xizang. Journal of Earth Science, 2026, 37(2): 381-395. doi: 10.1007/s12583-024-0107-z
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The Dingqing ophiolite in the eastern segment of the Bangong-Nujiang suture zone records multiple episodes of magmatic events, providing crucial constraints on the tectonic evolution of the Meso-Tethyan Ocean. We focus on sheet dikes recently discovered during the geological survey of 1 : 50 000 scale mapping the Dingqing East ophiolite. The studied samples are categorized into two types of high-Ca boninite and high-Mg andesite. Two high-Mg andesite samples yield
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