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常见的变质岩有:
大理石 marble: a type of hard rock that becomes smooth when it is polished
石英石 quartzite: hard metamorphic rock consisting essentially of interlocking quartz crystals
板岩 slate: a dark grey rock that can easily be split into flat thin pieces
片麻岩 gneiss: a laminated rock similar to granite
marble quartzite slate gneiss