Tectono-paleogeographic evolution of an intra-oceanic arc-basin system in the North Tianshan of the southwestern Altaids

Supporting Information for
Tectono-paleogeographic evolution of an intra-oceanic arc-basin system in the North Tianshan of the southwestern Altaids
Meng Zhang1, Wenjiao Xiao1,2,3,*, Qigui Mao1,2, Guocan Wang4,5, Hadi Shafaii Moghadam1, Miao Sang1,2, Hao Wang1,2, Rui Li1,2
1 National Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
2 College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
3 Institute of Geology and Geophysics, Chinese Academy of Sciences, 100029 Beijing, China
4 School of Earth Sciences, China University of Geosciences, Wuhan 430074, China
5 Institute of Geological Survey, Institute of Advanced Studies, China University of Geosciences, Wuhan 430074, China

Contents of this file
Supplementary Analytical Method
Supplementary Figures 1-1
Supplementary Tables 1-6

Additional Supporting Information (Files uploaded separately)
Supplementary Analytical Method. Analysis methods of zircon U-Pb geochronology and Hf isotope analysis.
Supplementary Figure 1. Tectono-paleogeographic reconstruction of arc-basin systems located along the eastern margin of Australia plate since the Late Cretaceous, showing the multiple roll-back process of the arc-basin system, and the initial subduction of back-arc basins induced by the advancing subduction of the Pacific Ocean plate.
Supplementary Figure 2. Field outcrops and thin sections of samples collected in this study.
Supplementary Figure 3. Zircon U-Pb concordia diagrams of samples collected in this study.
Supplementary Figure 4. Cambrian to Ordovician intermediate to felsic magmatism in the southwestern Altaids and adjacent areas.
Supplementary Table 1. Zircon LA-ICP-MS U-Pb geochronologic data of deep-water clastic rock samples from the North Tianshan belt in this study.
Supplementary Table 2. Zircon LA-MC-ICP-MS Hf isotope data of deep-water clastic rock samples from the North Tianshan belt in this study.
Supplementary Table 3. Zircon LA-ICP-MS U-Pb geochronologic data of published deep-water clastic rock samples from the North Tianshan belt.
Supplementary Table 4. Zircon LA-MC-ICP-MS Hf isotope data of published deep-water clastic rock samples from the North Tianshan belt.
Supplementary Table 5. Crystallizing age, whole rock Sr-Nd and zircon Lu-Hf isotopic data of magmatic rocks in the North Tianshan belt.
Supplementary Table 6. Zircon LA-ICP-MS U-Pb geochronologic data of published clastic rock samples from the Siberian craton, Mongolia collage, Kazakhstan collage and Tarim craton.

《西南阿尔泰北天山地区海底弧盆系构造古地理演化的支持信息》

作者：张萌1, 肖文娇1,2,3,*, 毛奇桂1,2, 王国灿4,5, 沙菲·沙法伊1, 邵苗1,2, 王浩1,2, 李瑞1,2

1 中国科学院新疆生态与地理研究所干旱区生态与可持续发展国家重点实验室，乌鲁木齐 830011，中国
2 中国科学院大学地球与行星科学学院，北京 100049，中国
3 中国科学院地质与地球物理研究所，北京 100029，中国
4 中国地质大学（武汉）地球科学学院，武汉 430074，中国
5 中国地质大学（武汉）地调局高级研究院，武汉 430074，中国

文件内容

补充分析方法
补充图 1-1
补充表 1-6

附加支持信息（文件另行上传）

补充分析方法：锆石 U-Pb 地质年代学和 Hf 同位素分析的方法
补充图 1：自白垩纪晚期以来，沿澳大利亚板块东部边缘分布的弧盆系构造古地理重建，展示了弧盆系的多重回旋过程，以及太平洋板块俯冲推进引起的初始后弧盆俯冲
补充图 2：本研究中采集的样品的野外露头和薄片
补充图 3：本研究中采集的样品的锆石 U-Pb 同位素谐和图
补充图 4：西南阿尔泰及其邻近地区的寒武纪至奥陶纪的中酸性岩浆活动
补充表 1：本研究中北天山带深海碎屑岩样品的锆石 LA-ICP-MS U-Pb 地质年代学数据
补充表 2：本研究中北天山带深海碎屑岩样品的锆石 LA-MC-ICP-MS Hf 同位素数据
补充表 3：已发表的北天山带深海碎屑岩样品的锆石 LA-ICP-MS U-Pb 地质年代学数据
补充表 4：已发表的北天山带深海碎屑岩样品的锆石 LA-MC-ICP-MS Hf 同位素数据
补充表 5：北天山带岩浆岩的结晶年龄、全岩 Sr-Nd 和锆石 Lu-Hf 同位素数据
补充表 6：已发表的西伯利亚克拉通、蒙古地台、哈萨克斯坦地台和塔里木克拉通碎屑岩样品的锆石 LA-ICP-MS U-Pb 地质年代学数据