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Rock of Ages: Davenport Ranges, Australia
Rock of Ages: Davenport Ranges, Australia Rock of Ages: Davenport Ranges, Australia

The Davenport Ranges of central Australia are known for their striking oval and zigzag patterns. These ranges have been inferred to be among the oldest persisting landforms on Earth due to Australia's tectonic stability over the past 700 million years. New rock-age dating techniques indicate the landforms are not nearly that old, but landscape evolution certainly occurs much slower here (at least now) than is typical across Earth's surface.

Credit: NASA/JPL/NGA

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  Jet Propulsion Laboratory
   California Institute of Technology
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