浅色矿物
- 网络light-colored mineral
浅色矿物-
本区富钾火山岩中浅色矿物有碱性长石、白榴石和霞石。
The light - colored minerals of K - rich volcanic rocks in this area are alkaline feldspar , leucite and nepheline .
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一种浅色矿物，由钙和镁的碳酸盐矿物组成，是镁的来源，用作制陶材料和肥料。
A light colored mineral consisting of calcium magnesium carbonate ; a source of magnesium ; used as a ceramic and as fertilizer .
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岩石学研究显示这些凝灰岩主要为晶屑或玻屑凝灰岩，晶屑多为浅色矿物，长石和石英，暗色矿物较少。
Petrological studies indicate that these tuffs are mainly crystal or vitric tuffs , and crystal fragments are mostly light minerals , feldspar and quartz , dark minerals rather little .