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- W3146853921 abstract "在 Kupukuziman 的二暗岩流动() Keping 的形成() 区域是二叠的 magmatism 的典型产品。基于系统的领域调查，我们在代表性的 Keping 暗岩上执行了 geochemical 研究。结果证明在暗岩的 SiO2 内容从 44.69 wt.%到 51.68 wt.% ，并且全部的碱从 4.05 wt.%到 5.5 wt.% ，合适属于碱的暗岩。Ti/Y=468.27565.35 和 TiO2=(2.883.82 ) 在 Emeishan 的 high-Ti 暗岩的与那些相比的 wt.%() 大火的省(嘴唇)(TiO2=(3.585.21 )wt.% ， Ti/Y > 500，小等， 2004 ) 。MgO 和兼容元素 Cr (12.918.6 ppm ) 的内容， Ni (13.722.7 ppm ) ，和公司(39.650.2 ppm ) 是低的，它建议样品经历了改变部分结晶化的等级。所有样品有一致 REE 和另外的踪迹元素特征，与相对 HREE 和 HFS 的充实的 LREE 和 LILE，没有 Eu 的类似的 REE 模式异例。暗岩也稍微是表演 Ta 和 Nb 弄空。他们有更高起始的 87Sr/86Sr 比率(0.707 2110.708 300 ) ，更低的 Nd (t) 价值(2.47 ～ 4.14 ) ，和一个狭窄的范围(208Pb/204Pb ) t=37.535 238.297 7，(207Pb/204Pb ) t=15.435 715.517 0，并且(206Pb/204Pb ) t=17.206 517.874 7 比率。Ce/Y 对 Zr/Nb 图证明父母岩浆从 garnet-lherzolite 的低度的部分融化被发源。分析结果基于 geochemical 研究似乎是所有点到 Keping 暗岩作为在之间的相互作用的一个产品形成了的一样的结论导出羽毛融化并且岩石圈。" @default.
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- W3146853921 date "2012-01-01" @default.
- W3146853921 modified "2023-10-18" @default.
- W3146853921 title "Geochemical Characteristics and Petrogenesis of Permian Basaltic Rocks in Keping Area, Western Tarim Basin： A Record of Plume-Lithosphere Interaction" @default.
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