中性岩

在火成岩相学中,中性岩(英语:intermediate composition)是指含有52-63 wt%的岩石。他们是长英质和镁铁质成分之间的中间产物。典型的中性岩包括火山岩中的安山岩英安岩粗安岩,以及深成岩中的闪长岩花岗闪长岩

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