超基性片麻巖的英文：
ultrabasic gneiss

ultrabasic是什么意思：
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.
    超基性巖的SiO2含量小于45%，它的侵入巖叫做橄欖巖，主要由橄欖石、輝石等礦物組成。
  • The ultrabasic rocks form a complex of large tectonic slices with intercalated slices of Sebakwian sedimentary rocks
    超基性巖與塞巴奎沉積巖巖片相間構(gòu)成一巨大的構(gòu)造巖片的雜巖體。
  • The heat production in rocks due to radioactivity is highest in the acid rocks and lowest in the ultra-basic rocks
    巖石的放射作用熱產(chǎn)率以酸性巖類最高，超基性巖類最低。
gneiss是什么意思：
n. 片麻巖
  • The banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands
    本礦區(qū)的帶狀片麻巖照例富含云母，黑云母的多少決定片麻巖條帶的色調(diào)。

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