pyroxene-dacite

基本解釋

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輝石巨晶的結(jié)晶深度、松遼盆地東側(cè)的地殼厚度等資料,認為鉀玄巖漿來源于幔源基性巖漿。
An igneous rock consisting chiefly of pyroxene and nepheline.
霞巖主要由輝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)構(gòu)以粒狀鑲嵌變晶結(jié)構(gòu)為主；
What part of olivine, pyroxene, and amphibole don't you understand?
橄欖石輝石閃石不懂哪個?