Genesis of calcrete in Quaternary soil profiles, Hutt and Leeman Lagoons, Western Australia

A. V. Arakel

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    88 Citations (Scopus)


    Soil profiles exposed along the margins of Hutt and Leeman Lagoons contain a succession of calcrete horizons that exhibit oolitic-pisolitic grainstone, lithoclast breccia, and pelloidal wackestone-mud-stone lithologies. The typical coastal profile consists of an upper laminar calcrete horizon which is usually overlain by a transitional pisolitic loose soil horizon. Underlying the laminar calcrete is breccia and/or massive calcrete. Downward gradation into the host is through a mottled calcrete horizon. Diminution of permeability of the host sediment by development of massive calcrete is a major process in genesis of the profile, and occurs in the lowermost part of the zone of alternate wetting and drying where the effect of water input overcomes the cumulative effects of evapotranspiration. Profile development is thereafter topographically controlled and restricted to horizons overlying the massive calcrete. Redevelopment of zones of alternate wetting and drying in older deposits may produce multiple soil profiles.-from Author

    Original languageEnglish
    Pages (from-to)109-125
    Number of pages17
    JournalJournal of Sedimentary Petrology
    Issue number1
    Publication statusPublished - 1982


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