ultramafic是什么意思

2024-02-17 00:05:17

ultramafic

美[ˌʌltrəmæfɪk] 英[ʌltrəmæfɪk]

adj. [地]超碱的；超基性的

Ultramafic hosted hydrothermal system;Southwest Indian Ridge. 超镁铁质岩系热液系统;
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。
With regard to the oxide minerals, chromite is almost entirely contained in the olivine-rich ultramafic rocks in the lower part of the intrusion. 关于氧化矿物，铬铁矿几乎全部含于侵入体下部的富橄榄石的超镁铁质岩石中。
The Songsugou peridotite in Shangnan, Shaanxi Province is an important but petrogenetically debated ultramafic massif in the Qinling orogenic belt. 陕西商南县松树沟橄榄岩体是秦岭造山带中具重要意义和争议较大的岩体。
The MA type is further divided into two subtypes of basaltic magma crystallization (BMA) and ultramafic magma crystallization (UMA). MA型可分为玄武质岩浆结晶(BMA)亚类和超镁铁质岩浆结晶(UMA)亚类.
Jiangyema chromite deposit lies in the Laangcuo rock body of which locates in the western Yaluzangbujiang ultramafic rock belt. 姜叶马铬铁矿产于雅鲁藏布江超镁铁质岩带的西段拉昂错岩体之中,为富铬型豆荚状铬铁矿。

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