它们被认为包围在再生的片麻岩之中.They are regarded as being enveloped in regenerated gneisses.片麻岩叫作粗花岗岩.Gneiss is called bastard granite.片麻岩, 变质岩, 可以发现,在常见的前寒武纪地区.Gneiss, a metamorphic rock, can be commonly found in Precambrian areas....

“片麻岩”的英语可以翻译为：gneiss ...