Naked Science Forum

Non Life Sciences => Geology, Palaeontology & Archaeology => Topic started by: Les the Scientist on 08/11/2004 02:56:38

Title: Sahara Desert
Post by: Les the Scientist on 08/11/2004 02:56:38

How deep is the sand in the Sahara and what's underneath ?

Title: Re: Sahara Desert
Post by: bezoar 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?