超高压变质作用（ultrahigh pressure metamorphism）是在超高压条件下发生的一种区域变质作用。
大量资料表明水参与了超高压变质作用过程。
Many references show that the water is indispensable to the ultrahigh-pressure metamorphism.
【大别山超高压变质作用与碰撞造山动力学】，科学出版社。
In "Ultrahigh-pressure metamorphism and collisional dynamics of the Dabie Mountains". eds.
在高压超高压变质作用过程中所释放的流体对俯冲板块的演化起着重要作用，与岛弧岩浆活动有着直接联系。
Fluid released during the high pressure and ultrahigh pressure metamorphism plays an important role in the evolution of subducted slab and may connect directly with igneous activity in island arcs.
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