Research Interests

·    Evolution of marginal sea basin

·    Igneous petrology: understanding the petro-genesis of Cenozoic basalts from the South China Sea region

·    Mantle geochemistry: elemental and isotopic studies on mantle derived rocks

·    Non-traditional stable isotopes

Projects

·    Petro-geochemical study of oceanic crustal accretion in the initial spreading stage of the South China Sea (IODP-Site U1500) (41906051), 2020-2022, 270K RMB, NSFC, Lead PI

·  Mg and Fe isotopic compositions of Miocene mid-ocean ridge basalts from the South China Sea (MG20190301), 2019.01-12, 150K RMB, SKMG Foundation, Lead PI

·  Petro-genesis of MORBs from South China Sea (17YF1420300), 2017-2020, 200K RMB, Shanghai Sailing Program, Lead PI

·    Petrogenetic study of Miocene mid-ocean ridge basalt from southeast subbasin of South China Sea and its tectonic significance (MG20160408), 2017-2018, 50K RMB, Chinese Postdoctoral Science Foundation, Lead PI

·    Genesis and source features of Miocene volcanic breccia from South China Sea (MG20160408), 2016-2017, 100K RMB, SKMG Foundation, Lead PI

Publications

Research Articles

·  Wu, J., Liu, Z., Yu, X., 2021. Plagioclase-regulated hydrothermal alteration of basaltic rocks with implications for the South China Sea rifting, Chemical Geology, 585, 120569.

·  Zeng, G., Chen, L.-H., Hofmann, A.W., Wang, X.-J., Liu, J.-Q., Yu, X., Xie, L.-W., 2021, Nephelinites in eastern China originating from the mantle transition zone, Chemical Geology, 576, 120276.

·    Liu, J.-Q., Erdmann, S., Chen, L.-H., Zhang, H.-L., Wu, B., Zeng, G., Wang, X.-J., Lei, Z.-L., Yu, X., 2021. Petrological evidence for magma recharge and mixing beneath the Ma’anshan monogenetic volcano of Xiaogulihe in Northeast China, Lithos, 382-383, 105928.

·    Wu, L., Wilson, D.J., Wang, R., Passchier, S., Krijgsman, W., Yu, X., Wen, T., Xiao, W., Liu, Z., 2020, Late Quaternary dynamics of the Lambert Glacier-Amery Ice Shelf system, East Antarctica, Quaternary Science Reviews, 10.1016/j.quascirev. 2020.106738.

·  Yu, X., Chen, L.-H., 2020, Geochemical variation of back-arc basin basalt and its genesis, Acta Petrologica Sinica, 36, 1953-1972.

· Yu, X., Liu, Z., 2020, Non-mantle-plume process caused the initial spreading of the South China Sea, Scientific Reports, 10:8500, 10.1038/s41598-020-65174-y.

·    Li, Y., Yue, W., Yu, X., Huang, X., Yao, Z., Song, J., Shan, X., Yu, X., Yang, S., 2020, Tectonic evolution of the West Bogeda: Evidences from zircon U-Pb geochronology and geochemistry proxies, NW China, minerals, 10, 341, 10.3390/min10040341.

·   He, D., Lee, C.-T., Yu, X., Farner, M., 2019, Ge/Si partitioning in igneous systems: Constraints from laser ablation ICP-MS measurements on natural samples, Geochemistry, Geophysics, Geosystems, 20. 10.1029/2019GC008514.

·  Yu, X., Zeng, G., Chen, L.-H., Wang, X.-J., Liu, J.-Q., Xie, L.-W., Yang, T., 2019, Evidence for rutile-bearing eclogite in the mantle sources of the Cenozoic Zhejiang basalts, eastern China, Lithos, 324-325, 152-164.

·  Yu, X., Zeng, G., Chen, L.-H., Hu, S.-L., Yu, Z.-Q., 2018, Magma-magma interaction in the mantle recorded by megacrysts from Cenozoic basalts in eastern China, International Geology Review, doi:10.1080/00206814.2018.1446190.

·    Zeng, G., Chen, L.-H., Yu, X., Liu, J.-Q., Xu, X.-S., Erdmann, S., 2017, Magma-magma interaction in the mantle beneath eastern China, Journal of Geophysical Research: Solid Earth, doi: 10.1002/2017JB014023.

·    Yu, X., Chen, L.-H., Zeng, G., 2017, Magmatic recharge buffers the isotopic compositions against crustal contamination in formation of continental flood basalts, Lithos, 284-285, 1-10.

·    Liu, J.-Q., Chen, L.-H., Wang, X.-J., Zhong, Y., Yu, X., Zeng, G., Erdmann, S., 2017, The role of melt-rock interaction in the formation of Quaternary high-MgO potassic basalt from the Greater Khingan Range, northeast China, Journal of Geophysical Research: Solid Earth, doi: 10.1002/2016JB013605.

· Yu, X., Lee, C.-T., 2016, Critical porosity of melt segregation during crustal melting: constraints from zonation of peritectic garnets in a dacite volcano, Earth and Planetary Science Letters, doi: 10.1016/j.epsl.2016.05.025.

·   Liu, J.-Q., Chen, L.-H., Zeng, G., Wang, X.-J., Zhong, Y., Yu, X., 2016, Lithospheric thickness controlled compositional variations in potassic basalts of Northeast China by melt-rock interactions potassic basalts of Northeast China, Geophysical Research Letters, doi: 10.1002/2016GL068332.

·  Yu, X., Chen, L.-H., Zeng, G., 2015, Growing magma chambers control the distribution of small-scale flood basalts, Scientific Reports 5, 16824. doi: 10.1038/srep 16824.

·   Yu, X., Lee, C.-T., Chen, L.-H., Zeng, G., 2015, Magmatic recharge in continental flood basalts: insights from the Chifeng igneous province in Inner Monogolia, Geochemistry, Geophysics, Geosystems, doi: 10.1002/2015GC00585.

·    An, Y.-J., Wu, F., Xiang, Y.-X., Nan, X.-Y., Yu, X., Yang, J.-H., Yu, H.-M., Xie, L.-W., Huang, F., 2014, High-precision Mg isotope analyses of low-Mg rocks by MC-ICP-MS. Chemical Geology, 390:9-21.

·  Chen L.-H., Zeng G., Hu S.-L, Yu X., Chen X.-Y, 2012, Crustal recycling and genesis of continental alkaline basalts: case study of the Cenozoic alkaline basalts from Shandong province, Eastern China. Geological Journal of China Universities, 18:16-27. (in Chinese with English abstract)

Representative Conference Abstracts

·    Yu, X., Liu, Z., Chen, L.-H., Zeng, G., 2017, Geochemistry of South China Sea MORB and implications for deep geodynamics, AGU Fall Meeting, abstract and oral presentation.

·   Yu, X., Zeng, G., Chen, L.-H., Liu, Z.-F., Wang, X.-J., 2017, Mg isotopic composition of Cenozoic basalts from Zhejiang province: tracing the source of mantle carbonatization, CGU Fall Meeting, abstract and invited oral presentation.

·   Yu, X., Chen, L.-H., Zeng, G., 2016, Magmatic recharge buffers the isotopic compositions of continental flood basalts against crustal contamination, Goldschmidt conference, abstract and oral presentation.

·   Yu, X., Chen, L.-H., Lee, C.-T., Zeng, G., 2014, Recharge and growth of a deep crustal magma chamber over the lifespan of a flood basalt, Goldschmidt conference, abstract and poster presentation.