Image:Intrusions air mountians nasa.jpg
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[edit] Summary
| Description |
In Africa, Precambrian mountains often stand out in stark relief as topographic highs midst lowlands covered by sand. Such mountains are found in parts of the Sahara Desert. Here are the Air Mountains in Niger, consisting of peralkaline granite intrusions which appear dark (unusual since most granitic masses are light-toned in the field). |
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| Source |
http://rst.gsfc.nasa.gov/Sect17/IntrusionsX.jpg RST The Remote Sensing Tutorial, NASA Goddard |
| Date |
Last Updated: June 18, 2007 |
| Author |
Primary Author: Nicholas M. Short, Sr. |
| Permission (Reusing this image) |
this entire site has been mirrored by others "based on the freedom of usage provision of the Public Domain Law" according to "notices" on this site: http://rst.gsfc.nasa.gov/Homepage/Homepage.html |
[edit] Licensing:
 |
This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).
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| Date/Time | Dimensions | User | Comment | |
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| current | 19:02, 27 May 2008 | 400×372 (95 KB) | T L Miles | ({{Information |Description=In Africa, Precambrian mountains often stand out in stark relief as topographic highs midst lowlands covered by sand. Such mountains are found in parts of the Sahara Desert. Here are the Air Mountains in Niger, consisting of per) |
