Low REEgroup and high REEgroup lamprophyres are 10% and 4% partial melting of the metasomatic enriched mantle.
低ree组和高ree组煌斑岩分别是交代富集地幔约10%和4%部分熔融的产物。
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REE is a group element which chemical and physical properties are very similar, as a particular element, it has important significance in geochemical studies.