Coude-Gaussen, Geneviève;
Riser, Jean;
Rognon, Pierre;
Weisrock, André
Le matériel de deux édifices dunaires postérieurs au dernier Pluvial (Nord du Mali et Sud-Ouest du Maroc)(Post late-pluvial aeolian dunes in Mali and Morocco)
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Medientyp:
E-Artikel
Titel:
Le matériel de deux édifices dunaires postérieurs au dernier Pluvial (Nord du Mali et Sud-Ouest du Maroc)(Post late-pluvial aeolian dunes in Mali and Morocco)
Beteiligte:
Coude-Gaussen, Geneviève;
Riser, Jean;
Rognon, Pierre;
Weisrock, André
Erschienen:
PERSEE Program, 1982
Erschienen in:
Bulletin de l'Association de géographes français, 59 (1982) 483, Seite 47-51
Beschreibung:
Aeolian sands were analyzed from km to km along the In Kous- samene erg (Mali) and the Cap Sim (Morocco). They show that. 1 ° With an increase in transport distance from a common source area, the ratio of quartz to shelly limes tone, or quartz to gypsum and clay increases. 2° A part of silt is formed by mechanical reduction of sand-sized marine organisms, clay and gypsum particles during aeolian transport. 3° The setting in motion of dust is very active near the source area of the aeolian sands.