A 5 year-old's views on extrusive igneous rocks

The Eruption of Vesuvius, by Joseph Wright of Derby.

"A long long time ago volcanoes started erupting. The red stuff was called lava. It erupted from the crater becose the stones from the centure got so hot they blasted from the earth and went into the volcanoes and started erupting from the volcanoes."

(1982)