You are watching: How does a lava plateau form
a tall, cone-shaped mountains in which layers of lava alternate with layers of ash and other materialsEX: Mt. Fuji and Mt. St. Helens
a wide, gently sloping mountain made of layers of lava and formed by quiet eruptionsEX: Mauna Loa in Hawaii
thin, runny lava runs over huge area before cooling and solidifying; repeat floods for high level plateaus
Volcanic eruptions create landforms made of lava, ash, and other materials. These landforms include shield volcanoes, cinder cone volcanoes, composite volcanoes, and lava plateaus. Other landforms include calderas, which are the huge holes left by the collapse of volcanoes.
Volcano A is a cinder cone volcano. It forms when ash, cinders, and bombs build up around the vent on a steep, cone shaped hill or small mountain. Volcano B is a shield volcano. It forms when thin layers of lava pour out of a vent and harden on top of previous layers. It"s a wide, gently sloping mountain. Volcano C is a composite volcano. It forms when eruptions of lava flows alternate with explosive eruptions of ash, cinders, and bombs.
A lava plateau forms when lava flows out of long cracks in an area. The runny lava floods the area and travels far before cooling and solidifying. Over time, the continuous floods of lava forms high level plateaus.
Earth Science: Geology, the Environment, and the UniverseFrances Scelsi Hess, Kunze, Letro, Sharp, Snow
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