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Résumé Le karst de la rivière Gervanne est un système bien développé au sein d'une série calcaire d'âge barrémo-bédoulien de quelques 400 m d'épaisseur. Si ses limites ne sont pas connues avec précision, elles sont peu différentes de celles du bassin versant géographique de la Gervanne. L'exploration de ce karst a mis en évidence un réseau dense de cavités et un exutoire principal: la source des...
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