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The ‚loess’︁ section at Borden,Kent, SE England
Authors:John A Catt  Richard M Bateman  Ann G Wintle  Christopher P Murphy
Abstract:A 5.3m profile originally described as loess with a buried interglacial soil is reinterpreted from petrographic evidence and thermoluminescence dating as a Holocene colluvial accretionary soil. Mineralogical analyses of coarse silt (16–63 μm) fractions suggest that most of the silty colluvium was derived from weathered Thanet Beds upslope, though some loess was incorporated during the final depositional phase. Thin sections show that clay illuviation occurred penecontem-poraneously with deposition of colluvium. Thermoluminescence properties suggest partial optical bleaching of the grains during rapid deposition, which is consistent with a Holocene colluvial origin.
Keywords:Colluvium  loess  accretionary soil  micromorphology  mineralogy  thermoluminescence dating
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