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Quelques Considérations Concernant des Formations de Pente dans les Carpates Méridionales

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  • Petru Urdea

Abstract

En Roumanie les formations de pente des Carpates Méridionales sont peu étudiées. Le présent article est consacré aux formations de pente des zones alpine et forestière des montagnes Fgraş, Retezat et Cǎndrel. Des analyses morphographiques, morphométriques, granulométriques et minéralogiques mettent en évidence les particularités de ces formations. Celles‐ci indiquent les processus génétiques permettant de différencier éboulis de gravité, éboulis à avalanches, bourrelets‐protalus, éboulis fluants, éboulis ruisselés, cǒnes et talus d'avalanches, éboulis soliflués et dépǒts de solifluxion. Ces formes sont présentes surtout dans les régions alpines formées de schistes cristallins et largement développées dans les montagnes de Fǎgǎraş, et Cǎndrel. L'analyse minutieuse des éboulis stratifiés, et leurs rapports spatiaux avec les terrasses quaternaires apportent de nouvelles données permettant des conclusions paléoclimatiques pour cette partie de l'espace carpatique. This paper examines the nature of slope processes in the alpine and forested zones of the Fǎgǎraş, Retezat and Cǎndrel regions of the Carpathian Mountains. Use is made of maps, field observations, granulometry and mineralogy. On the crystalline schists in the Fagàràs and Cǎndrel regions we can recognize debris flows, avalanche boulder deposits, protalus ramparts, mudflows, debris torrents, avalanche cones and solifluction deposits. The detailed study of these deposits and their relationships to Quaternary age terraces provides new palaeoclimatic information for the region.

Suggested Citation

  • Petru Urdea, 1995. "Quelques Considérations Concernant des Formations de Pente dans les Carpates Méridionales," Permafrost and Periglacial Processes, John Wiley & Sons, vol. 6(2), pages 195-206, April.
  • Handle: RePEc:wly:perpro:v:6:y:1995:i:2:p:195-206
    DOI: 10.1002/ppp.3430060213
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