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.
Volcanoes of Italy Discover Italy's most active and beautiful volcanoes, learn about their significance for science and culture. Join our small group tour to visit Vesuvius, Campi Flegrei, Stromboli, Vulcano, Lipari and Etna!
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