Article (Scientific journals)
Upper Devonian carbonate platform correlations and sea level variations recorded in magnetic susceptibility
Da Silva, Anne-Christine; Boulvain, Frédéric
2006In Palaeogeography, Palaeoclimatology, Palaeoecology, 240 (3-4), p. 373-388
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Keywords :
sedimentology; magnetic susceptibility; sequences; carbonate platform; frasnian
Abstract :
[en] This paper: concerns the analysis of four outcrops in the Frasnian (Upper Devonian) of Belgium. We compare the results of a precise sedimentological analysis with magnetic susceptibility (MS) data. This comparison allows us to improve stratigraphic correlations and to test the relationship between magnetic susceptibility and sea level changes. Considering the sedimentological study, different microfacies have been identified, from the external belt dominated by relatively argillaceous open marine facies with crinoids, to the biostromal and the lagoonal belt dominated by algae-rich muddy facies. Fourth- and third-order sequences have also been identified and are probably related to sea level variations. Magnetic susceptibility data provides us very good fourth-order correlations and the link between magnetic susceptibility and different sedimentological parameters is obvious. More precisely, MS appears to be related to fourth- and third-order sequences and to microfacies. (c) 2006 Elsevier B.V. All rights reserved.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Earth sciences & physical geography
Author, co-author :
Da Silva, Anne-Christine  ;  Université de Liège - ULiège > Département de géologie > Pétrologie sédimentaire
Boulvain, Frédéric  ;  Université de Liège - ULiège > Département de géologie > Pétrologie sédimentaire
Language :
English
Title :
Upper Devonian carbonate platform correlations and sea level variations recorded in magnetic susceptibility
Publication date :
19 October 2006
Journal title :
Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN :
0031-0182
eISSN :
1872-616X
Publisher :
Elsevier Science Bv, Amsterdam, Netherlands
Volume :
240
Issue :
3-4
Pages :
373-388
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
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