Examples are volcanoes in Hawaii and Iceland. Produces the least destructive eruptions. Cinder cone - Made of mostly pyroclastic material, have steep slopes, and are small. Explosive and destructive eruptions that produce pyroclastic flows are typical of this type of volcano. In 1980, Mount Saint Helens in Washington produced a well documented pyroclastic flow that killed several people.
Most composite volcanoes have one or more craters.
Caldera - a very large depression at the top of a volcano formed most commonly by collapse of the roof of the magma chamber after cooling and shrinking of the magma. Most shield volcanoes have calderas, such as Mauna Loa and Kilauea in Hawaii. Crater Lake in Oregon is a water-filled caldera in an ancient composite volcano. Possible essay questions - Illustrate, define, and describe the origin of four types of igneous intrusive features. Describe the origin of three extrusive igneous features.