Thursday, February 17, 2011

Starta Volcanoes vs Shield Volcanoes

A shield volcano is a type of volcano built almost entirely of fluidlava flows. They are named so because of their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travel farther than those erupted from more explosive volcanoes
A stratovolcano, also known as a composite volcano, is a tall, concial built up by many layers (strata) of hardened lava, tephra, pumica, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic,explosive eruptions

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