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Chilean Volcanoes
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Chilean Volcanoes

October 9, 2003
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 (3.5 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. This image was acquired by Landsat 7’s Enhanced Thematic Mapper plus (ETM+) sensor.


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