(Article of periodic en Français - 1985)

Document title

Les puits naturels du Tournaisis. Etude de leur localisation et contribution à l'étude de leur genèse. (The natural wells in the Tournaisis: study of their location and contribution to the study of their genesis)

Authors(s) and Affiliation(s)



About 100 "natural wells" or sink-holes (93 from 1955 to 1983) are known in the Tournais area. They are due to deep karst dissolution. Areas favourable to natural wells include the infiltration area of the Carboniferous Limestone groundwater at the most favourable points like boundaries of this infiltration area and flood plains, and also the lowest level area of the Carboniferous Limestone groundwater which created local caves that can easily collapse. Well formation also depends on weather. (LW).


Article of periodic

published at : Annales de la Société géologique de Belgique Liège

Editor :

Millesime : 1985, vol. 108 [pp. 117-123]

Bibliographic references : 13 réf.



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