ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Stratified carbonaceous, sediments lie in closed depressions of the hamada plateau. Some of them formed when dry valleys were blocked by the displacement of sand dunes in th Great Western Erg. At the present time,, the water table of the aquifer is at about -50 m. The topography of the basins and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/317608a0
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