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Volcanoes & Earthquakes Upgrade the Volcanoes & Earthquakes app! Once installed for a tiny one-time cost, it unlocks additional features, removes ads in the free version of the app.
Land of Theseus A relaxed walking and study tour to one of Greece's hidden treasures and also one of the least known volcanically active areas in Europe.
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.