Intermediate composition
(Redirected from Intermediate magma)
In igneous petrology, an intermediate composition refers to the chemical composition of a rock that has 52–63 wt% SiO2 being an intermediate between felsic and mafic compositions. Typical intermediate rocks include andesite, dacite, and trachyandesite among volcanic rocks and diorite and granodiorite among plutonic rocks.
References
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