Beneath Continents,rising Basaltic Magmas Are Contaminated by Sediments and Continental-Crust

question 74

True/False

Beneath continents,rising basaltic magmas are contaminated by sediments and continental-crust rocks,altering magma compositions;the resultant andesitic-to-rhyolitic magmas have high contents of SiO₂,relatively low temperatures,and high viscosity,which make it difficult for gases to escape,causing explosive eruptions.

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