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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Grain Size, Mineralogy and Geochemistry in Late Quaternary Sediments from the Western Ross Sea outer Slope as Proxies for Climate Changes
verfasst von : Mario Pistolato, Tullio Quaia, Luigi Marinoni, Laura Menegazzo Vitturi, Cristinamaria Salvi, Gianguido Salvi, Massimo Setti, Antonio Brambati
Erschienen in: Antarctica
Verlag: Springer Berlin Heidelberg
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Textural, mineralogical and geochemical investigations of three sedimentary sequences from the Ross Sea continental slope allow to give some important indications on climatic and environmental changes occurred during the Late Quaternary. The cores show cyclical changes in several proxies (grain size, mineralogical and geochemical parameters) which are in phase with glacial/interglacial changes (MIS 1–8). Such fluctuations are supposed to be driven by changes in transport mechanisms, reworking and provenance of the material, as well as by changes in direction and strength of marine currents induced by variations in the ice coverage.