超基性片麻岩的英文怎么说

超基性片麻岩的英文：
ultrabasic gneiss

• Ultrabasic rocks have a silica content less than 45%. Peridotite is the typical intrusive rock which consists of olivine and pyroxene.
  超基性岩的SiO2含量小于45%，它的侵入岩叫做橄榄岩，主要由橄榄石、辉石等矿物组成。
• The ultrabasic rocks form a complex of large tectonic slices with intercalated slices of Sebakwian sedimentary rocks
  超基性岩与塞巴奎沉积岩岩片相间构成一巨大的构造岩片的杂岩体。
• The heat production in rocks due to radioactivity is highest in the acid rocks and lowest in the ultra-basic rocks
  岩石的放射作用热产率以酸性岩类最高，超基性岩类最低。

• The banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands
  本矿区的带状片麻岩照例富含云母，黑云母的多少决定片麻岩条带的色调。