gneissn.片麻岩(一种艰硬的岩石)gneissoid structure片麻状构造gneiss igneous rock片麻火成岩gneissic schistosity片麻理gneiss-mica schist片麻状云母片岩gneissic alkali granite片麻状碱性花岗岩Gneissic alkaline granites片麻状碱性花岗岩Gneiss area of Taihang Mountain太行山片麻岩区Gneiss is called bastard granite.片麻岩叫作粗花岗岩。