mafic rock 镁铁质岩石 ; 镁铁质岩 ; 铁镁质岩
mafic mineral [矿物] 镁铁质矿物
mafic margin 镁铁质边缘
mafic minerals 镁铁矿物
mafic component 镁铁质
basic or mafic 基性或铁镁质
以上来源于: WordNet
Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.
黑云母一般是镁铁质及超镁铁质岩石中的次要成分。
The mafic due to sodium zoisitization, its alteration products often with green color;
基性斜长石由于遭受钠黝帘石化，其蚀变产物常带绿色色调；
In general, acid plagioclase twin dense and flat, while the mafic twin is thin and not straight.
一般情况下，酸性斜长石双晶纹密集且平直，而基性斜长石的双晶纹较稀且不够平直。
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