Sahara Desert

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Offline Les the Scientist

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Sahara Desert
« on: 08/11/2004 02:56:38 »
How deep is the sand in the Sahara and what's underneath ?
 

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Offline bezoar

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Re: Sahara Desert
« Reply #1 on: 08/11/2004 09:21:10 »
200 feet is the average depth of sand.  Don't know for sure what's under it.  I remember reading somewhere that there was an ancient riverbed beneath it, then I read that wasn't true.  I know it's a high contour desert with lots of rock and quartz formation.  Underneath it all...sandstone?