Petrogenesis of Aoyougou high-silica adakite in the North Qilian orogen, NW China: Evidence for decompression melting of oceanic slab
Yu-Xiao, Chen, Xiaohong, Xia, Shuguang, Song
Abstract
Yu-Xiao, Chen, Xiaohong, Xia, Shuguang, Song
Abstract
trondhjemitic 身体发生在 Aoyougou 区域,北方 Qilian orogen 的西方的部分。它被高 SiO2 geochemically 描绘, Na2O (高 Na/K ),提高的 Sr/Y 并且( La/Yb ) N ,积极 Sr 异例,相对充实的大离子亲石元素元素( LILE )和轻稀土元素元素( LREE ),和弄空的 Nb , Ta , Ti ,类似于高硅石的 adakite 。锆石 U-Pb 虾标明日期产出 438 栠杩敨 ?汰湡獴 慲的加权的吝啬的年龄吗??
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trondhjemitic 身体发生在 Aoyougou 区域,北方 Qilian orogen 的西方的部分。它被高 SiO2 geochemically 描绘, Na2O (高 Na/K ),提高的 Sr/Y 并且( La/Yb ) N ,积极 Sr 异例,相对充实的大离子亲石元素元素( LILE )和轻稀土元素元素( LREE ),和弄空的 Nb , Ta , Ti ,类似于高硅石的 adakite 。锆石 U-Pb 虾标明日期产出 438 栠杩敨 ?汰湡獴 慲的加权的吝啬的年龄吗??
Key concepts: Adakite, Lile, Petrogenesis, Partial melting, Geology, Geochemistry, Petrology, Slab