Cinder cones are formed when ____.
A)seawater leaches into the magma plume of a stratovolcano
B)low-viscosity basalt encounters groundwater near the surface
C)a magma chamber collapses, building magma pressure
D)a volcanic eruption creates large amounts of ash
E)high-viscosity rhyolite interacts with surface soil

Question

Quizplus · Accepted Answer

Low-viscosity basalt encounters groundwater near the surface, causing explosive eruptions that build up cinder cones.

Cinder Cones Are Formed When ____