Basalt-andesite
基本解释
- 玄武安山岩
英汉例句
- Parental magmas are somilar, in composition, to that of high-Al basalt and( or) basaltic andesite.
原始岩浆的成分类似于高铝玄武岩和()武质安山岩。 - Cretaceous volcanic rocks outcropped in the central part of Livingston Island consist of a basalt basaltic andesite andesite dacite association principally belonging to calc alkaline series and characters of low potassium and low Mg.
出露在利文斯顿岛中部的白垩纪火山岩为玄武岩－武安山岩－山岩－安岩组合，基本属于钙碱性系列，但具有低钾拉斑玄武岩的某些特点。 - In the middle Early Jurassic the basin was filled up by the flood and eruptive basaltic andesite of the Nandaling Formation.
早侏罗世中期,盆地被溢流和喷发的南大岭组玄武安山岩充填。 - The protolith of the metavolcanic rocks is a volcanic-subvolcanic rock series composed chiefly of low-K tholeiite with subordinate low-K basaltic andesite formed in an oceanic extensional environment.
变质火山岩的原岩为大洋拉张环境下形成的以低钾拉斑玄武岩为主，低钾玄武安山岩次之的火山-次火山岩系，其物源为亏损地幔。 - The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz.
火成岩的碎块成分主要为石英岩、岩、麻岩、武岩、山岩和流纹岩.