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...
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...