Geophysics
Volcanoes
Mount Rainier

Do shield or composite or cinder cone or caldera volcanoes have alternate layers of ash and lava?

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July 18, 2010 11:21PM

Composite Volcanoes

Composite Volcanoes. Composite volcanoes are tall, cone shaped mountains in which alternate layers of lava alternate with layers of ash. This happens when smooth lava flows alternate with explosive eruptions of lava fragments.