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Observations pédologiques sur le Quaternaire du Lauragais toulousain

Abstract : In the hills of the Lauragais region near Toulouse, we can see high surfaces surrounding slopescovered with colluvium and lœss deposits in the hollows. The existence of a lehm as been noticed andits characters have been analysed. The pedological study of the different morphological units allows usto precise the age the origine of the formations and to draw up a chronological scheme of thequaternary evolution. The following conclusions can be formulated : — The higt surfaces are not theremains of very ancient levels, but they have been recently shapened, probably during the first part ofWürm. — The slopes colluvium is younger than the lœss deposit and dating from the end of Würm orbeginning of Holocene. It has been built out of the destruction of the high surfaces
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Jacques Hubschman. Observations pédologiques sur le Quaternaire du Lauragais toulousain. Bulletin de l'Association française pour l'étude du quaternaire, Association française pour l'étude du quaternaire, 1972, 9 (1), pp.31-49. ⟨10.3406/quate.1972.1191⟩. ⟨hal-02736314⟩



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