gneiss [naɪs]

例句:

• You'll find sapphires in some volcanic fields, and in metamorphic rocks like gneiss, mica schist and sometimes marble.
  来自SA
• 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.
  
• But the stone itself is unrelated to it, it's not gneiss metamorphic rock, it's actually a Dolomite.
  来自SA
• Gneiss is called bastard granite.
  片麻岩叫作粗花岗岩.
  
• 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.
  
• Now the bedrock itself is the Fordham gneiss which is the oldest rock in New York City.
  来自SA