Leucite tephrite was derived from the more enriched mantle source with lower degree of partial melting of mantle source than alkaline olivine basalt.
相对于碱性橄榄玄武岩，白榴石碱玄岩来自于更加富集的地幔源区，其地幔的部分熔融程度相对较低。
The volcanic rocks in the study area all belong to sub alkaline series including olivine basalt, andesite and dacite, from basic to intermediate, and to acid.
研究区内火山岩从基性—中性—中酸性都有出露，包括橄榄玄武岩、安山岩和英安岩，且都属于非碱性系列。
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