The Mangshan Plateau is located on the south bank of the Huang He (Yellow River) just west of the city of Zhengzhou, well outside the Loess Plateau in central China. Mixing models of the grain-size data indicate that the loess deposits are mixtures of three loess components. Comparison of the mixing model with existing models established for a series of loess-palaeosol sequences from the Loess Plateau indicates that the Mangshan loess has been supplied from a proximal dust source, the Huang He floodplain, during major dust outbreaks. The high accumulation rates, the composition of the loess components, and especially the high proportions of a sandy loess component support this. Owing to the exceptionally high accumulation rates, the Mangshan grain size, magnetic susceptibility and carbonate records provide a high-resolution archive of environmental and climate change.
Detailed analysis of a core taken within the framework of the Marker Wadden project reveals the sedimentary history of the central part of the Netherlands following the Holocene sea level rise. Grain size and thermogravimetric analyses coupled with micropalaeontological and stable oxygen isotope data provide a solid framework for a detailed reconstruction of the landscape during this time interval. The Pleistocene landscape of fluviatile and aeolian deposits was succeeded by periods of marsh growth, brackish semi-enclosed lakes and tidal flats until a permanent connection with the North Sea was established. Palynological data suggest human activities in the immediate surroundings of the research area.
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