Zircon provenance of Quaternary cover beds using U-Pb dating: Regional differences in the Southwestern USA

Richter-Krautz Jana; Hofmann Mandy; Zieger Johannes; Linnemann Ulf; Kleber Arno

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Zircon provenance of Quaternary cover beds using U-Pb dating: Regional differences in the Southwestern USA

机译：使用U-PB约会的第四纪覆盖床锆石来源：美国西南部的区域差异

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U-Pb dating of detrital zircons (DZ) in Quaternary slope deposits (cover beds) and examination of the surface structure of single zircon grains may enable reconstruction of the provenance of their aeolian components and help to reconstruct sedimentary palaeo-transportation cascades. We distinguish several layers of slope deposits (cover beds) using a palaeosol-supported sequence-stratigraphic approach. In a pilot study, we demonstrate the usability of using end-member-modelled analyses of grain sizes to identify the aeolian matter, multi-dimensional scaling and density functions (probability density functions (PDF) and Kernel density estimations (KDE)) of the U-Pb data, and the grain morphology of DZ, and show that the age and appearance variation of DZ in the Great Basin differ remarkably from those of the Colorado Plateau.

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来源
《Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group》 |2021年第5期|共22页
作者
Richter-Krautz Jana; Hofmann Mandy; Zieger Johannes; Linnemann Ulf; Kleber Arno;
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作者单位

Tech Univ Dresden Geog Inst Helmholtzstr 10 D-01069 Dresden Germany;

Museum Mineral &

Geol Sekt Geochronol Senckenberg Nat Hist Sammlungen Dresden Konigsbrucker Landstr 159 D-01109 Dresden Germany;

Senckenberg Museum Naturkunde Gorlitz Museum 1 D-02826 Gorlitz Germany;

Museum Mineral &

Geol Sekt Geochronol Senckenberg Nat Hist Sammlungen Dresden Konigsbrucker Landstr 159 D-01109 Dresden Germany;

Tech Univ Dresden Geog Inst Helmholtzstr 10 D-01069 Dresden Germany;

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原文格式 PDF
正文语种 eng
中图分类地球物理学;
关键词
aeolian matter; detrital zircons; Quaternary slope deposits; sedimentology; southwestern North America; Uamp; 8211; Pb dating;

机译：Aeolian物质;滴乳锆;第四纪坡沉积物;沉积物;北美西南部;U＆amp;8211;PB约会;

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Zircon provenance of Quaternary cover beds using U-Pb dating: Regional differences in the Southwestern USA

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