Questions
GEL 020 001 FQ 2025 Quiz for Lecture 7 (10/15)
Multiple dropdown selections
Arc magmatism is the result of flux melting of the [选择] core mantle crust , which occurs when [选择] water flux salt is added, causing the rocks to partially melt. This melt then [选择] rises through the mantle and crust sinks through the mantle and crust .
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We start by identifying what the question is asking to fill in the blanks and what the correct conceptual chain is for arc magmatism in subduction settings.
First blank: 'Arc magmatism is the result of flux melting of the [core / mantle / crust]'. The correct body to melt via fluxing in subduction zones is the mantle, specifically the mantle wedge above the subducting slab. Core melting is not a factor in arc magmatism, a......Login to view full explanationLog in for full answers
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Arc magmatism is the result of flux melting of the [选择] core mantle crust , which occurs when [选择] water flux salt is added, causing the rocks to partially melt. This melt then rises through the mantle and crust .
Arc magmatism is the result of flux melting of the [选择] crust mantle core , which occurs when water is added, causing the rocks to partially melt. This melt then [选择] sinks through the mantle and crust rises through the mantle and crust .
How does magma form at subduction zones?
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