1.【地】(火成岩的)镁铁质
1.relating to dark-coloured minerals or rocks that are high in magnesium and iron
1.Ophiolite is a specific mafic - ultramafic association, not the name of a rock.
蛇绿岩是具有特定成分的镁铁-超镁铁组合，并非一个岩石名称。
2.The Chimen bojite with a nearly NS strike, was a product of mafic magma activity in southeastern China at the end of Late Cretaceous.
赤门角闪辉长岩是中国东南部晚白垩世末基性岩浆活动的产物，分布在福建省南平市的北部，总体呈近NS向展布。
3.Mafic dykes are believed to have derived from tholeiitic magmas under extension setting.
基性岩墙是伸展背景下，来自地幔的基性岩浆侵入体；
4.Abundant mafic dykes with similar occurrences can distribute linearly to form mafic dyke swarms in a very short time.
基性岩墙群则是由一定数量的具有相同或相似产状、呈线状分布的基性岩墙组成。
5.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。
6.The discriminant figures of tectonic setting show that the mafic rocks was formed in seamount setting.
通过地球化学图件判别，认为该基性杂岩形成于洋中脊的构造环境。
7.Cu-Ni sulphide deposit related to mafic-ultramafic rocks is the main type of copper, nickel, platinum group elements(PGE) deposits.
与镁铁-超镁铁质岩密切相关的铜镍硫化物矿床是铜、镍、铂族元素（PGE）资源的重要矿床类型。
8.of compound rock-body. They belong to mafic, ultramafic rocks which type are gabbro, pyroxenite and peridotite.
与铜镍矿成矿有关的岩体具有复合杂岩体特征，多属辉长岩—辉石岩—橄榄岩型镁铁—超镁铁质岩。
9.The gabbro and diabase porphyry belong to the sub-alkaline series, and they both locate in the mafic accumulate region in the ACM diagrams.
辉长岩和辉绿玢岩均属于亚碱性系列，在ACM图解中均位于镁铁质堆积岩区域；
10.The mafic dog was generous, "Woo, Woo" it barked twice and then started eating the meat.
神犬很卖力，「汪！汪！」两声后，便开始安静吃肉。