云正辉长岩的英文:
biotite orthoclase gabbro
n. 黑云母
- So the dark mica in this granite should be called biotite.
那么.在这块花岗岩中的黑色云母类矿物就应当叫做黑云母了。 - 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 banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands
本矿区的带状片麻岩照例富含云母,黑云母的多少决定片麻岩条带的色调。
n. 正长石
- A fine - grained, light - colored granitic rock consisting primarily of orthoclase and quartz.
细晶岩主要由正长石和石英构成的一种纹理细密的淡色花岗岩类岩石
n. [矿]辉长岩
- The micro-gabbro phase is identical with the typical Bulawayan dolerite sills
微辉长岩相与标准的布拉瓦约粒玄岩床相同。 - Even foliated metamorphic rocks and banded gabbro can be curved to form folds.
即使变质岩中的片理以及辉长岩中的条带也可产生弯曲而形成褶皱。