File:Richat landsat7 big.jpg
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DescriptionRichat landsat7 big.jpg |
English: The so-called Richat Structure is a geological formation in the Maur Adrar Desert in the African country of Mauritania. Although it resembles an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock.
This image was acquired by Landsat 7's Enhanced Thematic Mapper plus (ETM+) sensor on January 11, 2001. This is a false-color composite image made using shortwave infrared, infrared, and green wavelengths. The image has also been sharpened using the sensor's panchromatic band. The Richat Structure can be found on Landsat 7 WRS Path 203 Row 45, center: 21.68, -11.94. |
Date | Taken on 11 January 2001 |
Source | https://web.archive.org/web/20091115144924/https://landsat.gsfc.nasa.gov/earthasart/richat.html (image link) |
Author | USGS/EROS/NASA Landsat |
Licensing edit
Public domainPublic domainfalsefalse |
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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current | 23:14, 3 December 2006 | 1,224 × 1,224 (565 KB) | Millosh (talk | contribs) | {{Information |Description=Richart Structure, Mauritania from Landsat 7 |Source=http://antwrp.gsfc.nasa.gov/apod/image/0210/richat_landsat7_big.jpg |Author=Landsat 7 |Permission=PD }} |
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