Open AccessL'évolution des nappes alluviales antérissiennes de la Garonne, dans l'avant-pays molassique
Author(s) -
Jacques Hubschman
Publication year - 1975
Publication title -
bulletin de l association française pour l étude du quaternaire
Language(s) - English
Resource type - Journals
eISSN - 2804-1836
pISSN - 0004-5500
DOI - 10.3406/quate.1975.1262
Subject(s) - pebble , weathering , geology , silt , geochemistry , alluvium , clay minerals , geomorphology
Description and analysis of the Garonne pre-Riss deposits. Mindel alluvial pebble weathering is shown by : strong weathering of crystalline material ; clay formation and argillic development ; genesis of kaolinic minerals but very disorderly ; water-tighting of pebble alluvions . . . Gunz materials are little more weathered but Donau alluvions are extremly weathered, with important amounts of well crystallized kaolinic minerals. Iron-crust genesis and origin of silt cover are discussed.Hubschman Jacques. L'évolution des nappes alluviales antérissiennes de la Garonne, dans l'avant-pays molassique. In: Bulletin de l'Association française pour l'étude du quaternaire, vol. 12, n°3-4, 1975. pp. 149-169
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