Pyroclastic Shields
Rarer pyroclastic shield volcanoes are similar to normal mafic shields in shape. But rather than being formed entirely by basalt lavas, pyroclastic shields are mainly formed from explosive eruptions of ignimbrite.
Read more about this topic: Shield Volcano
Famous quotes containing the word shields:
“No other man-made device since the shields and lances of the ancient knights fulfills a man’s ego like an automobile.”
—Sir William Rootes (1894–1964)
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