A cinder cone or also known as scoria cone is a steep conical hill of volcanic fragments that accumulate around and downwind from a volcanic vent. Cinder cones range in size from tens to hundreds of meters tall. Cinder cones are made of pyroclastic material
Cinder cone volcanoes
Holocene cinder cone near Veyo,Utah.
Sunset Crater in Arizona
Capulin volcano in New Mexico
What are Composite volcanoes
Composite volcanoes also called strato volcanoes, are formed by alternating layers of lava and rock fragments. Between eruptions they are often so quiet they seem extinct. To witness the start of a great eruption requires luck or very careful surveillance. Composite volcanoes usually erupt in an explosive way.
Tavurvur, an active stratovolcano near Rabaul in Papua New Guinea
Mount Fuji in Japan
What are Shield volcanoes
A shield volcano is a volcano with shallow-sloping sides. Shield volcanoes normally form from fluid lava flows that can travel long distances across slight inclines. Some of the largest volcanoes on Earth are shield volcanoes.