Arid
DOI10.1016/j.quascirev.2018.07.034
Paleoenvironmental conditions and sedimentation dynamics in Central Europe inferred from geochemical data of the loess-paleosol sequence at Sutto (Hungary)
Profe, Joern1,2; Neumann, Lena1,3; Novothny, Agnes4; Barta, Gabriella4,5; Rolf, Christian6; Frechen, Manfred5; Ohlendorf, Christian1; Zolitschka, Bernd1
通讯作者Profe, Joern
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2018
卷号196页码:21-37
英文摘要

This study provides a detailed geochemical record of one of the best studied loess-paleosol sequences (LPS) in Hungary covering Marine Isotope Stage (MIS) 6 to MIS 2. Siitto is situated in the northwestern Carpathian Basin at the transition between oceanic and continental climate. We investigated weathering intensity, dust provenance and sedimentation dynamics by high-resolution X-ray fluorescence (XRF) scanning of discrete samples in comparison with quantitative XRF and other published proxy data such as grain-size, magnetic susceptibility and micromorphology. Multivariate statistics unravel pedogenesis in terms of decalcification and grain-size dynamics as processes controlling the elemental composition. Furthermore, high-resolution chemostratigraphy indicates geochemical homogeneity for mature MIS 5 paleosols and the modern soil. Together with the A-CN-K plot providing no hint for K-feldspar weathering, semi-arid continental paleoenvironmental conditions are considered as prevailing. Dust provenance is studied by geochemical reference literature data from potential ultimate dust source areas, Th/ metal ratios and comparison with the composition of the upper continental crust (UCC). Results indicate a felsic rock composition and a stable dust source, albeit immediate (adjacent Danube floodplains) and ultimate dust sources (surrounding mountain belts) need to be distinguished. According to the Sr-K-Rb plot, the Austroalpine cover nappes area northwest of Sutto might be the dominant ultimate dust source. The weathering-resistant elements Al, Ti and Zr as well as Zr/metal ratios indicate Zr addition and thus strongest sediment sorting and/or recycling during MIS 6. Since Al, Ti and Zr show minimal correlations with grain-size, we suggest a cascade-alike transport pathway from ultimate source to sink involving multiple sediment recycling and sorting cycles in both fluvial and eolian domains. Therefore, this study highlights how high-resolution qualitative geochemical data contributes to a better understanding of paleoenvironmental and sedimentation dynamics at LPS. Application of such a versatile geochemical screening tool is of broad interest to the scientific community working on (terrestrial) paleoenvironmental archives that are commonly discretely sampled. (C) 2018 Elsevier Ltd. All rights reserved.


英文关键词Pleistocene Paleoclimatology Central Europe Inorganic geochemistry Sedimentology of loess XRF scanning of discrete samples Cluster analysis Chemostratigraphy
类型Article
语种英语
国家Germany ; Hungary
收录类别SCI-E
WOS记录号WOS:000445168300002
WOS关键词MAGNETIC-SUSCEPTIBILITY ; SECONDARY CARBONATES ; GLACIAL LOESS ; DESERT LOESS ; DANUBE BASIN ; QUARTZ SILT ; GRAIN-SIZE ; LUMINESCENCE ; QUATERNARY ; DEPOSITS
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212523
作者单位1.Univ Bremen, Inst Geog, GEOPOLAR, Celsiusstr 2, D-28359 Bremen, Germany;
2.Justus Liebig Univ Giessen, Dept Geog, Sect Geoinformat & Remote Sensing, Senckenbergstr 1, D-35390 Giessen, Germany;
3.Univ Educ Heidelberg, Dept Geog, Res Grp Earth Observat Geo, Czernyring 22-11-12, D-69115 Heidelberg, Germany;
4.Eotvos Lorand Univ, Dept Phys Geog, Pazmany Peter Setany 1-C, H-1117 Budapest, Hungary;
5.LIAG, Dept Geochronol, Stilleweg 2, D-30655 Hannover, Germany;
6.LIAG, Dept Rock Phys & Borehole Geophys, Fredelshofer Str 3, D-37574 Einbeck, Germany
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GB/T 7714
Profe, Joern,Neumann, Lena,Novothny, Agnes,et al. Paleoenvironmental conditions and sedimentation dynamics in Central Europe inferred from geochemical data of the loess-paleosol sequence at Sutto (Hungary)[J],2018,196:21-37.
APA Profe, Joern.,Neumann, Lena.,Novothny, Agnes.,Barta, Gabriella.,Rolf, Christian.,...&Zolitschka, Bernd.(2018).Paleoenvironmental conditions and sedimentation dynamics in Central Europe inferred from geochemical data of the loess-paleosol sequence at Sutto (Hungary).QUATERNARY SCIENCE REVIEWS,196,21-37.
MLA Profe, Joern,et al."Paleoenvironmental conditions and sedimentation dynamics in Central Europe inferred from geochemical data of the loess-paleosol sequence at Sutto (Hungary)".QUATERNARY SCIENCE REVIEWS 196(2018):21-37.
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