玄武粗安岩（basaltic trachyandesite）用于粗安岩与粗面玄武岩之间的过渡岩石的岩类术语，亦即与过饱和岩类中玄武质安山岩相类似的名称。按化学成分分类位于TAS图解S2区内
火山岩主要岩石类型为粗安岩，少量粗面岩、玄武粗安岩、白榴石玄武粗安岩；
The main rock type of the volcanic rock is trachyandesite with small amounts of trachyte, basaltic-trachyandesite and leucite basaltic-trachyandesite.
火山岩岩石组合以碱性玄武岩-粗安岩-碱性流纹岩为主。
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite.
火山岩岩石组合以碱性玄武岩-粗安岩-碱性流纹岩为主。
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt-thick andesite-alkaline rhyolite.
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