• The deformation of olivine and pyroxene in the rock is the recrystallized process from coarse to fine grain, the spinel has obvious dissolution, migration and reprecipitation.

    岩石橄榄石辉石变形都是结晶过程晶石则较明显溶解迁移和再沉淀作用。

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  • A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.

    一种的、致密的黑色火山岩它主要长石、辉石橄榄石组成,外表经常光滑。

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  • The major rock forming minerals include olivine, orthopyroxene, clinopyroxene, plagioclase and amphibole.

    主要矿物橄榄石、斜方辉石、单斜石、斜长石角闪石

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  • Rock-forming mineral, olivine, pyroxene, hornblende, orthoclase, feldspar, plagioclase, mica, quartz, biotite, calcite and other common metal and nonmetal minerals.

    岩矿物的概念、橄榄石、长石、角闪石、石、云母石英方解石常见金属非金属矿物

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  • The rock types include amygdaloidal basalt, dolerite, massive basalt, olivine basalt and andesite-basalt, which belong to the alkali basalt series.

    岩石类型包括杏仁状玄武岩粗玄岩块状玄武岩、橄榄玄武岩安山玄武岩碱性玄武岩系列

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  • Gubaoquan rock body mainly is composed of the gabbros, it also contains a few olivine pyroxenites and the pyroxene troctolite.

    古堡泉岩体主要长岩组成,还有少量橄榄长岩辉石橄长岩。

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  • According to the main rock-forming minerals in them, the Cenozoic volcanic rocks are mainly alkali olivine basalt, basanite and nephelinite.

    郯庐断裂带中段新生代火山岩碱性系列的碱性橄榄玄武岩、碧玄岩霞石岩为主其中又以钠质亚系的岩石为主。

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  • They show layered intrusion features. The major rock -forming minerals include olivine, orthopyrox ene, clinopyroxene, plagioclase and amphibole.

    主要矿物为橄榄石方辉石、单斜石、斜长石角闪石。

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  • Ultrabasic rocks have a silica content less than 45%. Peridotite is the typical intrusive rock which consists of olivine and pyroxene.

    超基性SiO2含量小于45%,它的侵入叫做橄榄岩,主要由橄榄石、辉石等矿物组成。

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  • Ultrabasic rocks have a silica content less than 45%. Peridotite is the typical intrusive rock which consists of olivine and pyroxene.

    超基性SiO2含量小于45%,它的侵入叫做橄榄岩,主要由橄榄石、辉石等矿物组成。

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