Explain which type of melting (flux, decompression, heat transfer) is responsible for mafic magmas in each of the following plate-tectonic settings and why the resulting magma is mafic. (a) Mid-ocean ridges (b) Continental rifts (c) Volcanic island and continental arcs (d) Hot spots

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Explain which type of melting (flux, decompression, heat transfer) is responsible for mafic magmas in each of the following
plate-tectonic settings and why the resulting magma is mafic.
(a) Mid-ocean ridges
(b) Continental rifts
(c) Volcanic island and continental arcs
(d) Hot spots
Transcribed Image Text:Explain which type of melting (flux, decompression, heat transfer) is responsible for mafic magmas in each of the following plate-tectonic settings and why the resulting magma is mafic. (a) Mid-ocean ridges (b) Continental rifts (c) Volcanic island and continental arcs (d) Hot spots
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