Image: Jack hills etm 1999208
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Description: Low and smoothed by erosion, the Jack Hills aren’t too impressive as a mountain range. But mineral crystals have weathered out of the Jack Hills and washed into streams, and these crystals tell a fascinating story about how far back in Earth’s past the oceans might have formed. (NASA image by Robert Simmon, based on Landsat data provided by the Global Land Cover Facility)
Title: Jack hills etm 1999208
Credit: http://earthobservatory.nasa.gov/Study/Zircon/
Author: Robert Simmon, NASA
Permission: PD-NASA
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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