Sedimentology

Journal: Sedimentology

Abbreviation

Sedimentol

Publisher

Wiley-Blackwell

ISSN

0037-0746
1365-3091

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Publications 1 - 10 of 33

Microbial biomineralization processes forming modern Ca:Mg carbonate stromatolites
Spadafora, Alessandra; Perri, Edoardo; McKenzie, Judith A.; et al. (2010)
Sedimentology
Long-term pockmark maintenance by fluid seepage and subsurface sediment mobilization - sedimentological investigations in Lake Neuchâtel
Loher, Markus; Reusch, Anna; Strasser, Michael (2016)
Sedimentology
Alpine sedimentology
Föllmi, Karl B.; Schlunegger, Fritz; Weissert, Helmut (2013)
Sedimentology
Reconstructing 4000 years of mass movement and tsunami history in a deep peri-Alpine lake (Lake Geneva, France-Switzerland)
Kremer, Katrina; Hilbe, Michael; Simpson, Guy; et al. (2015)
Sedimentology
Late Quaternary deposition and facies model for karstic Lake Estanya (North-eastern Spain)
Morellon, Mario; Valero-Garces, Blas; Anselmetti, Flavio S.; et al. (2009)
Sedimentology
Development of microbial carbonates in the Lower Cretaceous Codo Formation (north-east Brazil)
Bahniuk, Anelize M.; Anjos, Sylvia; Franca, Almério B.; et al. (2015)
Sedimentology
Holocene seismic activity in south-eastern Switzerland: Evidence from the sedimentary record of Lake Silvaplana
Bellwald, Benjamin; Nigg, Valentin; Fabbri, Stefano C.; et al. (2024)
Sedimentology
High-Alpine regions are prone to a large variety of geohazards, among which earthquakes have the strongest impact on landscape and local population. Historic records indicate a moderate to high seismic activity in the northern, south-western and central parts of Switzerland. In contrast, south-eastern Switzerland has less historic earthquake chronicles due to the low population density, resulting in a poorly constrained seismic event catalogue. The aim of this study is to evaluate the palaeoseismic activity for south-eastern Switzerland by using the sedimentary record of Lake Silvaplana in the Engadine Valley. A dense grid of high-resolution two-dimensional seismic profiles, high-resolution bathymetry and a 10 m long sediment core from the deepest basin were used to investigate the stratigraphy of the lake sediments. The bathymetry reveals a flat basin, flanked by steep slopes to the north-west and south-east. The acoustic basement consists of four ridges, and gently-dipping fans to the south-west and north-east. Expressions of slope failure can be identified in all domains of the lake floor and the subsurface data. Multiple coevally-triggered chaotic mass-flow deposits, overlain by megaturbidites with a coarse-sand base, have been detected along ten horizons in the seismic data. The four most recent of these deposits are cored and radiocarbon dated to approximately 230, 310, 960 and 1330 cal yr bp, indicating four over-regional seismic events that triggered large slope failures in Lake Silvaplana in the last 1400 years. Correlation with sediments of Lake Sils, Lake Como, Lake Iseo and Lake Ledro indicate within radiocarbon uncertainties a large earthquake around 1330 cal yr bp. Within their age ranges, the postulated earthquake at 310 cal yr bp (1640 ce) further correlates with a moment magnitude Mw ca 5.4 event in Ftan in 1622 ce, and the 960 cal yr bp (990 ce) earthquake correlates with a Mw ca 5.2 earthquake in Brescia in 1065 ce. Six mass-movement deposits, also suggested to be caused by earthquakes, were not reached by the sediment core and have suggested ages between 7800 and 11 300 cal yr bp. Thus, Lake Silvaplana sediments provide the first reliable record of seismic activity for the mid and Late Holocene in this region, likely related to the neotectonic activity of the Engadine Line, a major fault zone running along the main valley.
Mass movement-induced fold-and-thrust belt structures in unconsolidated sediments in Lake Lucerne (Switzerland)
Schnellmann, Michael; Anselmetti, Flavio S.; Giardini, Domenico; et al. (2005)
Sedimentology
Dolomite formation in the shallow seas of the Alpine Triassic
Meister, Patrick; McKenzie, Judith A.; Bernasconi, Stefano M.; et al. (2013)
Sedimentology
Microbial fossilization in carbonate sediments
Lith, Yvonne Van; Warthmann, Rolf; Crisógono Vasconcelos; et al. (2003)
Sedimentology

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