花岗岩属于哪一类岩石?( )A.岩浆岩 B.沉积岩 C.喷出岩 D.变质岩

作者: tihaiku 人气: - 评论: 0
问题 花岗岩属于哪一类岩石?( )
选项 A.岩浆岩 B.沉积岩 C.喷出岩 D.变质岩
答案 A
解析 花岗岩是一种岩浆在地表以下冷却凝结形成的火成岩(即岩浆岩),主要成分是长石 和石英。本题答案为A。

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