这个石头实际上相当稀罕和难于切割,因此在许多情形里其它类型岩石被当作代用品使用,例如绿长石,玄武岩和蛇纹石。
This stone is actually quite rare and difficult to cut, so in many cases other types of rock were used as substitutes, for example green feldspar, basalt, and serpentine.
这个石头实际上相当稀罕和难于切割,因此在许多情形里其它类型岩石被当作代用品使用,例如绿长石,玄武岩和蛇纹石。
This stone is quite rare and difficult to cut, so in many cases other types of rock were used as substitutes, for example green feldspar, basalt, and serpentine.
蓝宝石是碱性玄武岩浆早期结晶的产物,而且与单斜辉石、长石、石榴石和锆石巨晶共生。
The sapphires are the product of early crystallization of alkali basalt magma and intergroom with clinopyroxene, feldspar, garnet and zircon megacrysts.
利用高分辨电子显微镜观察了产于河北汉诺坝玄武岩中碱性长石的精细结构。
The fine structure of natural alkali feldspar selected from the basalt in the Hannuoba district, China was investigated by means of high resolution electron microscopy(HREM).
对马里·亚纳海槽玄武岩斜长石和橄榄石斑晶中的熔融包裹体进行了镜下观察和均一化测温实验。
The microscopic observation and homogenization temperature determination experiment of melt inclusions in plagioclase and olivine in basalt phenocrysts from the Mariana Trough were made.
对马里·亚纳海槽玄武岩斜长石和橄榄石斑晶中的熔融包裹体进行了镜下观察和均一化测温实验。
The microscopic observation and homogenization temperature determination experiment of melt inclusions in plagioclase and olivine in basalt phenocrysts from the Mariana Trough were made.
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