Reference : Deposition within the vicinity of the Mid-Eifelian High : detailed sedimentological stud...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
http://hdl.handle.net/2268/19006
Deposition within the vicinity of the Mid-Eifelian High : detailed sedimentological study and magnetic susceptibility of a mixed ramp-related system from the Eifelian Lauch and Nohn formations (Devonian ; Ohlesberg, Eifel, Germany)
English
Mabille, Cédric [Université de Liège - ULg > Département de géologie > Pétrologie sédimentaire >]
Pas, Damien mailto [Université de Liège - ULg > Département de géologie > Pétrologie sédimentaire >]
Aretz, Markus [Universität zu Köln > Institut für Geologie und Mineralogie >]
Boulvain, Frédéric mailto [Université de Liège - ULg > Département de géologie > Pétrologie sédimentaire >]
Schröder, Stefan [Universität zu Köln > Institut für Geologie und Mineralogie >]
Da Silva, Anne-Christine mailto [Université de Liège - ULg > Département de géologie > Pétrologie sédimentaire >]
2008
Facies
Springer-Verlag
54
597-612
Yes (verified by ORBi)
International
0172-9179
[en] Middle Devonian ; Type Eifelian ; Sedimentology ; Sötenich Syncline
[en] This study focuses on the base of the Eifelian stage and on the abandoned Ohlesberg quarry. The exposed section (92 m thick) is related to the Lauch and Nohn formations. Petrographic study leads to the defnition of 11 microfacies which are integrated in a palaeogeographical model. It corresponds to a complex ramp setting where carbonate, mixed and siliciclastic deposits coexist. The microfacies evolution is interpreted in terms of bathymetric and lateral variations, showing a general shallowing upward trend and transitions between carbonate-dominated and siliciclastic-dominated sedimentary domains. This interpretation is supported by trends in magnetic susceptibility data. Even if the proximity to emerged areas appears to be the major influence on magnetic susceptibility values, the influence of carbonate productivity and wave agitation is also noted. The Ohlesberg section clearly points to the local and regional complex facies architecture, and advocates to variegated depositional environments along the Mid-Eifelian High.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/19006

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