The p-t path of the ascent of the Hannuoba basaltic magma is consistent withthe experimental basalt liquidus, which indicates that the magma ascending fromthe upper mantle up to the ground surface had in the main maintained the liquidstate.

• 岩浆上升的p-t路线与玄武岩的液相线一致,说明原生岩浆由上地幔源区主要呈液体状态快速上升达到地表。