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贺兰山中南段奥陶系米钵山组的沉积环境与构造背景分析-地球学报.PDF

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Vol.30 No.1 : 65-71 Acta Geoscientica Sinica Feb. 2009: 65-71 www.地球学报.com 1) 1) 2) 1) 3) 3) 1) 710054 2) 710054 3) 750021 摘 要: SiO 75.18% Al O 2 2 3 6.26%14.36%TiO /MnO 3.0558.00K O /Na O 2 2 2 0.639.13SiO 68.77%77.50%TiO /MnO Al O /MnO 21.30 2 2 2 3 51.00 450.00 Na O 0.01% K O (3.05%4.03%) TiO CaO 2 2 2 −6 −6 144.8010 170.5710 LREE/HREE 9.6816.49 Eu 1.011.31 Ce NiVCuPbBa Cr Sr ZnGa V/(V+Ni)Ce/La S 关键词: 中图分类号: P595 ;P512.2 文献标志码: A 文章编号: 1006-3021(2009)01-65-06 G Element Geochemistry and Depositional Setting of Ordovician Miboshan Formation in Central-Southern Helan Mountain A HUANG Xi-feng1), QIAN Zhuang-zhi1), LU Dong-xia2), WU Wen-kui1), WANG Cheng3), LU Yan-jun3)
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