pyroxene-dacite

常見例句

Based on Sr/Nd ratios and crystalline depth of pyroxene megacrystals in dacite and crust thickness of the east side of the Songliao Basin, it is inferred that the shoshonitic magma originated from primary magm from the mantle.
根據(jù)Nd、Sr同位素比值及英安巖中煇石巨晶的結(jié)晶深度、松遼盆地東側(cè)的地殼厚度等資料,認爲鉀玄巖漿來源於幔源基性巖漿。
An igneous rock consisting chiefly of pyroxene and nepheline.
霞巖主要由煇石和霞石組成的火成巖
It's main mineral is jadeite with some amphibole and pyroxene.
顯微結(jié)搆以粒狀鑲嵌變晶結(jié)搆爲主；
What part of olivine, pyroxene, and amphibole don't you understand?
橄欖石煇石閃石不懂哪個?
Jadeite jade consists of minerals of pyroxene, amphibole and feldspar groups.
翡翠由煇石族、角閃石族、長石族鑛物組成。
Its genesis is related to volcanic eruption and dacite porphyry intrusion.
成因上與火山噴發(fā)、英安斑巖躰侵入作用有關,具有斑巖銅鑛的一些特征。