Gneiss is called bastard granite.片麻岩叫作粗花岗岩.Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻岩, 变质岩, 可以发现,在常见的前寒武纪地区.The types of mineralized rocks are fine grained biotite gneiss and silicalites.矿...
The types of mineralized rocks are fine grained biotite gneiss and silicalites.矿化类型为含金黑云变粒岩型、含金硅质岩型.Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas.长英质片麻岩是太古宙变质杂岩区最主要的岩石类型.Gnei...