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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.
Volcano Expeditions Witnessing a volcanic eruption from close is an unforgettable experience. We offer a wide variety of tours and expeditions to active volcanoes worldwide.
Redating the Minoan eruption of Santorini A 3600 y.o. fossil olive tree discovered in the Minoan pumice allows to refine the date of the Minoan eruption on Santorini to the 17th century B.C.