Does Andesitic Magma Form?
Andesitic Magma Is Formed Through Wet Partial Melting of the Mantle. the Mantle Under the Ocean Has Contact with Water. .. . Basaltic Magma with a High Water...
Andesitic magma is formed through wet partial melting of the mantle. The mantle under the ocean has contact with water. ... Basaltic magma with a high water content is the result. If this type of basaltic magma melts with continental crust that has a high density of dioxide silicon, andesitic magma will form.
Where does andesite magma form?
Granitic, or rhyolitic, magmas and andesitic magmas are generated at convergent plate boundaries where the oceanic lithosphere (the outer layer of Earth composed of the crust and upper mantle) is subducted so that its edge is positioned below the edge of the continental plate or another oceanic plate.
Is andesitic magma intermediate?
Andesitic magma -- SiO2 55-65 wt%, intermediate. in Fe, Mg, Ca, Na, K.
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