images

Chilean Volcanoes

by

Nasa/USGS/Novapix

Reference

t-sachi-00001

Date

2006-09-07

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. Image obtained with Landsat-7 satellite on May 15 1999.