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PORTAIL D'INFORMATION GÉOGRAPHIQUE

LES CUVETTES GLACIO-KARSTIQUES DANS LES HAUTES MONTAGNES MEDITERRANEENNES ET ALPINES

Auteur :
NICOD J.,

Description :
DESCRIPTION OF SOME DEPRESSIONS SITUATED IN KARSTIC MOUNTAINS OF HIGH-ALPINE TYPE. THE DIFFERENT SHAPES OF THIS DEPRESSIONS ARE CONDITIONED BY THE STRUCTURE. THEIR ORIGIN DEPENDS UPON SEVERAL PROCESS: A) OVERDEEPENING TYPICAL OF GLACIERS| B) DEEPENING OF THE BASIS AT THE TIME OF GLACIER MELTING (RESIDUAL GLACIER STAGE)| C) PRESENT DAY DEEPENING DUE TO THE CO RICH WATERS OF SNOW MELTING AND THE IMPORTANCE OF CRYOCLASTIC PROCESSES. IN EVERY CASE THE STRUCTURAL CONDITIONS AND THE ROCK FRACTURE PLAY A DETERMINING ROLE. FINALLY, THE SEQUENCE OF PROCESSES LEADS TO AN AUTO-CATALISIS PHENOMENON FOR THE LARGEST AND OLDEST BASINS.


Type de document :
Article de périodique

Source :
CUAD. GEOGR. UNIV. GRANADA, 1975, n°. 1, p. 7-17

Date :
1975

Langue :
Français
Droits :
Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI)