1) High-Mg andesite
高镁安山岩
1.
High-Mg andesites occur in Seluohe,Jilin,China,which are dated at 252±5Ma by the SHRIMP zircon U-Pb method, indicating that they were generated in the Late Permian.
吉林色洛河地区发育高镁安山岩类,SHRIMP锆石U-Pb定年结果表明它们形成于晚二叠世(252±5Ma)。
2.
High-Mg andesites (HMAs) are distinct from normal andesites that typify arc magmatism by their elevated MgO contents and Mg#.
高镁安山岩以高的镁含量和Mg#而区别于正常的岛弧安山岩。
2) magnesian andesites
富镁安山岩
1.
The adakites and associated Nb-enriched basalts and magnesian andesites are the products of interaction of slab-derived melt with mantle peridotites.
俯冲带除俯冲板片脱水形成的富大离子亲石元素流体、交代地幔楔形成的岛弧钙碱性玄武岩 安山岩 英安岩 流纹岩及相应侵入岩组合外,还存在由俯冲板片熔融形成的埃达克质熔体交代地幔楔形成的埃达克岩 富铌玄武岩 富镁安山岩组合,从而构成了俯冲带的流体交代与熔体交代两大类壳幔相互作用体系及相应的岩石组合。
3) boninite
['bɔni,nait]
玻镁安山岩
1.
Pyroxene crystallites in boninite matrix possess peculiar dendritic morphological featuresin the Xiangcheng area, western Sichuan.
川西乡城地区的玻镁安山岩基质中辉石微晶具有奇特的枝晶形貌。
2.
The spherolitic boninites in Xiangcheng area, Western Sichuan Province, are glassy medium lava which possesses pyroxene phenocryst and quenched texture.
川西乡城地区的球颗状玻镁安山岩是一种玻璃质、含辉石斑晶、具淬火结构的中性熔岩。
4) high-Mg volcanic rocks
高镁火山岩
1.
The high-Mg volcanic rocks of the Yixian Formation in the Sihetun area have the obvious characteristics of Mantle-derived lava in rare earth,trace element characteristics with high Mg~#(62～70) and high content of compatible elements.
辽西北票四合屯地区的义县组火山岩主要由高镁火山岩组成,其在稀土、微量元素特征方面有明显的特殊性。
5) high-Mg ultrapotassic lavas
高镁富钾火山岩
1.
Geochemistry of late Eocene high-Mg ultrapotassic lavas from western Yunnan, China: Constraints on petrogenesis;
滇西晚始新世高镁富钾火山岩的地球化学特征及其岩石成因机制探讨
2.
Normal, reverse and oscillatory zonings are common in clinopyroxene phenocrysts in the Wozhong late Eocene high-Mg ultrapotassic lavas, western Yunnan province.
滇西莴中晚始新世高镁富钾火山岩中单斜辉石斑晶普遍出现正环带结构、反环带结构或韵律环带结构,少量为具绿色核部的单斜辉石(“绿核辉石”)。
6) high-K andesite
高钾安山岩
补充资料：答高安宰
【诗文】：
何须问我道成时，紫府清都自有期。
手握药苗人不识，体含金骨俗争知。
【注释】：
【出处】：
全唐诗：卷861-18
何须问我道成时，紫府清都自有期。
手握药苗人不识，体含金骨俗争知。
【注释】：
【出处】：
全唐诗：卷861-18
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条