1963
DOI: 10.3406/rgpso.1963.4753
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Le relief calcaire du Plateau de Sault

Abstract: Etude des formes de surface d'un karst pyrénéen de moyenne montagne, situé entre 900 et 1 900 m d'altitude, dans une zone très plissée et fracturée. Gouffres, dolines et pertes filtrantes alimentent, à la périphérie du karst, des résurgences, dont celle, intermittente, de Fontestorbes. A la fin du Tertiaire ou au Quaternaire ancien, des aplanissements karstiques ont donné des poljés (plaine d'Espezel) et de grandes dépressions fermées, sans doute élaborées à une altitude plus basse qu'aujourd'hui. Puis le soul… Show more

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“…This range of incision rates is consistent with those estimated in the easternmost Têt River valley (Sartégou et al, 2018), further west in the Salat watershed of the Arbas massif since the Pliocene (110 m Myr -1 ; Genti, 2015), and on the Garonne terraces (maximum rates of ~46 m Myr -1 ; Stange et al, 2014). Moreover, our dataset is consistent with reconstructions of palaeo-weathering surfaces and their associated age ranges (e.g., Lagasquié, 1963;Monod et al, 2016a, b). The weathering profiles associated with highly elevated and low-relief surfaces in the study area may have developed between the Eocene-Oligocene and the late Miocene (e.g., Calvet, 1996) and seem to be related to the Pyrenean orogeny.…”
Section: 3-ariège River Valley Incision Since 13 Ma (Langhian)supporting
confidence: 89%
“…This range of incision rates is consistent with those estimated in the easternmost Têt River valley (Sartégou et al, 2018), further west in the Salat watershed of the Arbas massif since the Pliocene (110 m Myr -1 ; Genti, 2015), and on the Garonne terraces (maximum rates of ~46 m Myr -1 ; Stange et al, 2014). Moreover, our dataset is consistent with reconstructions of palaeo-weathering surfaces and their associated age ranges (e.g., Lagasquié, 1963;Monod et al, 2016a, b). The weathering profiles associated with highly elevated and low-relief surfaces in the study area may have developed between the Eocene-Oligocene and the late Miocene (e.g., Calvet, 1996) and seem to be related to the Pyrenean orogeny.…”
Section: 3-ariège River Valley Incision Since 13 Ma (Langhian)supporting
confidence: 89%