One component is thought to have been derived from the lithospheric mantle, and the other was derived from an asthenospheric source similar to that of Hawaii, Iceland and Reunion basalts.

• 一种组分来源于岩石圈地幔,另一种组分来源于与夏威夷(Hawaii)、冰岛(Iceland)和留尼汪岛(Reunion)等洋岛玄武岩源区相似的软流圈。