西部壳幔过渡带较厚而东部较薄，反映两地不同的岩浆底侵作用程度。
The crust mantle transition in the west is considerably thicker than in the east, probably due to different extents of magmatic underplating.
从矿物化学所获得的温度-压力计算结果表明：岩浆来源应位于壳幔过渡带。
The calculated results of temperature and pressure from mineralogical chemistry show that magmatic source should lie in crust-mantle intermediate zone.
溢流玄武岩的同位素体系特征表明它们的源区涉及再循环地幔的壳幔混合、岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔。
Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.
溢流玄武岩的同位素体系特征表明它们的源区涉及再循环地幔的壳幔混合、岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔。
Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.
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