1) macle
[英]['mækl] [美]['mækḷ]
矿物中暗斑
2) A dark spot or discoloration in a mineral.
矿物中暗斑或变色
3) central dark spot
中心暗斑
1.
The effect of the size of the central dark spot in Newton s ring pattern on measuring results has been analyzed,and a solution is given.
本文分析了牛顿环中心暗斑大小对测量结果的影响,并给出了解决方法。
4) darkcoloured mineral
暗色矿物
5) phenocryst
[英]['fi:nə,krist] [美]['finə,krɪst]
斑晶矿物
1.
In the perlitic rocks,phenocrysts are well preserved and they are mainly composed of plagioclase,biotite,amphibole,and mafic clinopyroxene and orthopyroxene.
在松辽盆地边缘东南隆起九台地区出露有比较新鲜的珍珠岩,内部斑晶保存完好,裂隙发育;斑晶矿物主要有斜长石、黑云母、角闪石,还有镁铁质的单斜辉石和斜方辉石。
