Cinder Cones and Lava Flows Quiz

What is the primary material that makes up a cinder cone?

• Basalt

• Sedimentary rock

• Pyroclastic material

• Lava

How does lava interact with a growing cinder cone?

• It cools and solidifies on top of the cone.

• It flows over the top of the cone.

• It mixes with pyroclasts to form a new rock type.

• It flows beneath the cone, pushing pyroclasts aside.

What happens to the original lava flow in relation to the pyroclasts?

• It is buried by the pyroclasts.

• It is completely evaporated.

• It forms a new volcanic vent.

• It remains on the surface.