Composite (stratovolcanoes) volcanoes are built from alternating eruptive styles — effusive lava flows and explosive pyroclastic material — reflecting cyclical changes in magma viscosity, gas content, and eruption style over the volcano's lifetime.
Composite volcanoes (stratovolcanoes) such as Fuji, Vesuvius, and Rainier are characterized by their steep, conical profile built from alternating layers of lava flows and pyroclastic...
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