In contrast to the mafic volcanism at rift zones,subduction zone lavas are lower in iron content but significantly higher in these

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Subduction zone lavas are formed by the melting of subducted oceanic crust, which contains a significant amount of water. This results in lavas that are higher in silica and water content. The iron content is generally lower than mafic volcanism at rift zones.

In Contrast to the Mafic Volcanism at Rift Zones,subduction Zone