1 year ago

Why would pahoehoe and a'a lava erupt from shield volcanos, but not from composite volcanoes?

1 answer:

8 0

Answer:

Shield volcanoes are built by many layers over time and the layers are usually of very similar composition. The low viscosity also means that shield eruptions are non-explosive. There are two types of lava flows, pahoehoe which is a ropy type of lava that flows easily (low viscosity).

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