超基性片麻岩的英文怎么说
2012-06-26 17:33
超基性片麻岩的英文:
ultrabasic gneiss
超基性的
- 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。
n. 片麻岩
- 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。