超基性的英文

超基性的英文：
ultrabasic

• 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。