Volcanoes. 8 th grade Earth Science. There are three types of volcanoes:. Shield Composite Cindercone. SHIELD VOLCANOES. Formed by layer after layer of lava. Usually have low silica content, and gases can escape easily. Has quiet eruptions. Extremely broad and flat in shape.
8th grade Earth Science
almost like an orange road pylon.
New Mexico (below)
Etna Volcano in Sicily
Late October, 2002