Igneous or magmatic rocks The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
From Stromboli to Etna Get to know some of the most active and interesting volcanoes in the world: famous Mt. Etna on Sicily; Vulcano, in the Ancients'belief home to Vulcanus, God of Fire; Lipari with its spectacular obsidian and pumice deposits; and Stromboli, "Lighthouse of the Tyrrhenian Sea", known for its permanent fireworks!
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