英语语法分析

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。