They are far less destructive in areas dominated by mafic or basaltic rock 
They are far less destructive in areas dominated by mafic or basaltic rock because of the low viscosity of leftover magma. Wizard Island is an example of a resurgent one that exists now as the remnant of ancient Mount Mazama and rises as a dome near the rim of Crater Lake. They are accompanied in their formation by large pyroclastic flows. For 10 points, name these depressions that form when a magma chamber becomes depleted and unable to support the roof of a volcano, named from the Spanish for "cauldron."
They are far less destructive in areas dominated by mafic or basaltic rock because of the low viscosity of leftover magma.
{caldera}s