Geochemical analysis of two sediment cores from the southern Mendeleev Ridge, supplement to: März, Christian; Stratmann, Alexandra; Matthiessen, Jens; Meinhardt, Ann-Katrin; Eckert, Sebastian; Schnetger, Bernhard; Vogt, Christoph; Stein, Ruediger; Brumsack, Hans-Jürgen (2011): Manganese-rich brown layers in Arctic Ocean sediments: Composition, formation mechanisms, and diagenetic overprint. Geochimica et Cosmochimica Acta, 75(23), 7668-7687

Christian März, Alexandra Stratmann, Jens Matthiessen, Ann-Katrin Meinhardt, Sebastian Eckert, Bernhard Schnetger, Christoph Vogt, Ruediger Stein & Hans-Jürgen Brumsack
We present results of an inorganic geochemical pore water and sediment study conducted on Quaternary sediments from the western Arctic Ocean. The sediment cores were recovered in 2008 from the southern Mendeleev Ridge during RV Polarstern Expedition ARK-XXIII/3. With respect to sediment sources and depositional processes, peaks in Ca/Al, Mg/Al, Sr/Al and Sr/Mg indicate enhanced input of both ice-rafted (mainly dolomite) and biogenic carbonate during deglacial warming phases. Distinct and repetitive brown layers enriched in...
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