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Stratigraphy and chronology of late Quaternary floodplain sediments in a historic mining area, Vils River Valley, East Bavaria, Germany

  • Analysis of 288 percussion drillings from depths of up to seven meters and a 120 m long excavated section provide new and detailed information on the Late Quaternary to Late Holocene floodplain evolution from the most important Central European iron-mining region of the 15th century. The generalized sequence of the Vils River floodplain is built of five units representing facies of different genesis (rock/saprolite, gravel, sand, loam, peat) that are identified by physical, chemical, and mineralogical parameters (grain size, clast shape, and content, TOC, bulk mineralogy). Along the 87 km length of the valley, different units/facies are found at the Upper Vils River (UVR 1-5) and at the Lower Vils River (LVR 1-4b). In both river sections, fine-grained material (flood loam) forms the major part (up to 4 m) of the alluvial sequence. 29 age determinations (24 14C, 4 IRSL, 1 tree-ring analysis) show increasing accumulation of flood loam in the last millennium. The data correlate with the beginning of mining at the Vils River and henceAnalysis of 288 percussion drillings from depths of up to seven meters and a 120 m long excavated section provide new and detailed information on the Late Quaternary to Late Holocene floodplain evolution from the most important Central European iron-mining region of the 15th century. The generalized sequence of the Vils River floodplain is built of five units representing facies of different genesis (rock/saprolite, gravel, sand, loam, peat) that are identified by physical, chemical, and mineralogical parameters (grain size, clast shape, and content, TOC, bulk mineralogy). Along the 87 km length of the valley, different units/facies are found at the Upper Vils River (UVR 1-5) and at the Lower Vils River (LVR 1-4b). In both river sections, fine-grained material (flood loam) forms the major part (up to 4 m) of the alluvial sequence. 29 age determinations (24 14C, 4 IRSL, 1 tree-ring analysis) show increasing accumulation of flood loam in the last millennium. The data correlate with the beginning of mining at the Vils River and hence suggest a causal connection with mining activities in the catchment—both on the slopes and in the floodplain—with intense deposition of flood loams.show moreshow less

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Metadaten
Author: Thomas RaabORCiDGND, Kerstin Hürkamp, Jörg Völkel
URL:http://www.tandfonline.com/doi/abs/10.2747/0272-3646.31.4.357
DOI:https://doi.org/10.2747/0272-3646.31.4.357
ISSN:1930-0557
ISSN:0272-3646
Title of the source (English):Physical Geography
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2010
Volume/Year:31
Issue number:4
First Page:357
Last Page:384
Faculty/Chair:Fakultät 2 Umwelt und Naturwissenschaften / FG Bodenschutz und Rekultivierung
Fakultät 2 Umwelt und Naturwissenschaften / FG Geopedologie und Landschaftsentwicklung
Institution name at the time of publication:Fakultät für Umweltwissenschaften und Verfahrenstechnik (eBTU) / LS Bodenschutz und Rekultivierung
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