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Ref : T00017
Theme :
Earth in Space - Partial (172 images)
Title : Chilean Volcanoes
Caption :
On the border between Chile and the Catamarca province of Argentina lies a vast field of currently dormant volcanoes. Over time, these volcanoes have laid down a crust of magma roughly 2 miles (3.2 km) thick. It is tinged with a patina of various colors that can indicate both the age and mineral content of the original lava flows.
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