The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
Sierra Nevada is a volcanic complex on the Chile/ Argentina border in one of the remotest parts of the Central Andes. The volcano covers 225 km2 contains at least 12 volcanic vents, craters with up to 400 m diameter and large andesitic lava flows which reached 7 km distance.
The oldest part of the volcano lies on the Argentina side and inlcudes 2 stratovolcanoes, one of which has a 1 km summit crater. The youngest lavas of the volcano are probably less than 10,000 years old and located to the west in Chile.
Eyjafjallajökull volcano photos: The volcano in Iceland with the unpronounceable name... but famous in 2010 when its ash clouds drifted over Europe and forced a unprecedented large-scale airspace closure for several days, stranding millions of passengers.
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.
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