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大地构造学，构造地质学
- 武夷-南岭地区新元古代晚期浅变质地层对比、物源分析及对古地理重建 的约束, 国家自然科学基金项目, 2020/10/12-2025/12/31, 在研
- 武夷-南岭地区新元古代晚期浅变质地层对比、物源分析及对古地理重建 的约束, 国家自然科学基金项目, 2022/01/01-2025/12/31, 在研
- 2011/01-2013/12：国家自然科学基金青年基金项目：北祁连加里东造山带东段的初始碰撞与同造山盆地转换研究(No.41002030)（主持）。
- 2012/01-2014/12：中央高校基本科研业务费专项资金项目“摇篮计划”（主持）。
- 2013/01-2015/12：中央高校基本科研业务费专项资金项目“优秀青年教师特色学科团队”（主持）。
- 2015/01-2018/12：国家自然科学基金面上项目：海南岛南北地块早古生代碎屑岩物源对比及其大地构造意义(No. 41472086)（主持）。
- 2018/01-2021/12: 国家自然科学基金面上项目：南岭-云开一带晚前寒武纪-早古生代沉积地质与盆山相互作用研究 (No. 41772106)（主持）。
- Yajun Xu.The Mesoproterozoic Baoban Complex, South China: A missing fragment of western Laurentian lithosphere.2022
- Liang Qi.Linking South China to North India from the late Tonian to Ediacaran: Constraints from the Cathaysia Block.2022
- Liang Qi, Yajun Xu*, Peter A. Cawood, Wei Wang, Yusheng Du. 2019. Implications of 770 Ma Rhyolitic Tuffs, eastern South China Craton in constraining the tectonic setting of the Nanhua Basin. Lithos, 324-325, 842-858.
- Liang Qi.Quantifying temperature variation between Neoproterozoic cryochron-nonglacial interlude, Nanhua Basin, South China.2022
- 徐亚军和杜远生. 2018. 从板缘碰撞到陆内造山：华南东南缘早古生代造山作用演化. 地球科学，43（2）：333-353.
- Liang Qi, Yajun Xu*, Peter A. Cawood, Yusheng Du. 2018. Reconstructing Cryogenian to Ediacaran successions and paleogeography of the South China Block. Precambrian Research, 314, 452-467.
- Yajun Xu, Peter A. Cawood, Yuansheng Du, Lisha Hu. 2017. Aulacogen Formation in Response to Opening the Ailaoshan Ocean: Origin of the Qin-Fang Trough, South China. The Journal of Geology, 125, 531-550.
- Yajun Xu, Peter Cawood, Yuansheng Du, 2016, Intraplate orogenesis in response to Gondwana assembly: Kwangsian Orogeny, South China. American Journal of Science, 316, 329-362.
- Yajun Xu, Peter A. Cawood, Yuansheng Du, Zengqiu Zhong, Nigel C. Hughes, 2014. Terminal suturing of Gondwana along the southern margin of South China Craton: Evidence from detrital zircon U-Pb ages and Hf isotopes in ambrian and Ordovician strata, Hainan Island. Tectonics, 33, 2490-2504，doi:10.1002/2014TC003748.
- Xu Yajun, Peter Cawood, Du Yuansheng, Hu Lisha, Yu Wenchao, Zhu Yanhui, Li Wenchao, 2013. Linking south China to northern Australia and India on the margin of Gondwana: Constraints from detrital zircon U-Pb and Hf isotopes in Cambrian strata. Tectonics, 32, 1547-1558.
- Yajun Xu, Peter Cawood, Yuansheng Du,Hongwei Huang, Xinyu Wang, 2014, Early Paleozoic orogenesis along Gondwana’s northern margin constrained by provenance data from South China. Tectonophysics, 636,40-51.
- 徐亚军,杜远生,杨江海, 2013.北祁连造山带晚奥陶世－泥盆纪构造演化:碎屑锆石年代学证据.地球科学, 35(5): 934-946.
- Xu Yajun, Du Yuansheng, Peter Cawood, Zhu Yanhui, Li Wenchao, Yu Wenchao, 2012. Detrital zircon provenance of Upper Ordovician and Silurian strata in the northeastern Yangtze Block: Response to orogenesis in South China. Sedimentary Geology, 267-268, 63-72.
- Xu Yajun, Du Yuansheng, Yang Jianghai, Huang Hu, 2010. Sedimentary Geochemistry and provenance of the Lower and Middle Devonian Laojunshan Formation, the North Qilian Orogenic Belt. Science in China Series D: Earth Sciences, 53(3): 356-367.
- 徐亚军,杜远生,杨江海,文运强,王建奎, 2011.北祁连造山带东段上奥陶统中泥盆统砂岩碎屑组分与物源分析,地质科技情报,30(2): 28-33.