Continental rifting occurs when two continental plates pulling apart because basaltic magma works it way through the granitic crust allowing for volcanoes to erupt both basaltic and rhyolitic compositions.

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Continental rifting is a geological process where tectonic plates that are made up of continental crust are pulled apart from each other. As the plates move apart, magma from the mantle rises up and fills the gap, creating volcanic activity that can produce both basaltic and rhyolitic volcanoes.

Continental Rifting Occurs When Two Continental Plates Pulling Apart Because