题目
GEL 020 001 FQ 2025 Quiz for Lecture 7 (10/15)
多重下拉选择题
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 .
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思路分析
The question describes arc magmatism as flux melting due to water addition, producing a melt that ascends to the surface.
Option 1 (first dropdown): crust, mantle, core. The correct understanding is that flux melting occurs primarily in the mantle, not in the crust or the core. The mantle is the region where subducted material and volatiles interact to lower solidus temperatures and generate magmas......Login to view full explanation登录即可查看完整答案
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类似问题
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] 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 .
How does magma form at subduction zones?
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