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花岗岩类岩石作为大陆地壳的重要组成单元,其成因多样,可形成于洋壳俯冲、大陆碰撞、后碰撞伸展及陆内造山等多种构造背景。埃达克岩是一种特殊的中酸性钙碱性火成岩,典型岩石组合包括角闪安山岩、英安岩、流纹岩以及成分相当的侵入岩 ...
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