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The upper Miocene Deurne Member of the Diest Formation revisited : unexpected results from the study of a large temporary outcrop near Antwerp International Airport, Belgium

(2020) GEOLOGICA BELGICA. 23(3-4). p.219-252
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Abstract
A 5.50 m thick interval of fossiliferous intensely bioturbated heterogenous glauconiferous sand of the upper Miocene Diest Formation is documented from a very large temporary outcrop just southeast of Antwerp International Airport (northern Belgium), allowing to observe lateral variations over several hundreds of meters and to collect many vertebrate and invertebrate fossils. This paper documents observations on lithology, sedimentary and post-sedimentary structures, and discusses the results of the multi-proxy analyses of the sediment (granulometry, glauconite content, clay mineralogy, Fe content and Fe3+/Fe2+ ratios), the interpretation of the trace fossil assemblage and the sedimentary structures as well as of the large-scale samplings of micro-, meso- and macrofossils. We evidence that the Diest Formation in the Antwerp area consists of two different lithological entities, and that this twofold character can be extrapolated to all previously recorded Deurne Member outcrops. A revised lithostratigraphic scheme for the Diest Formation in the Antwerp area is proposed, with the new Borsbeek member at the base and a redefmed Deurne Member at the top.
Keywords
DINOFLAGELLATE CYST STRATIGRAPHY, NORTH-SEA BASIN, MACARONICHNUS-SEGREGATIS, ICHNOGENUS SCHAUBCYLINDRICHNUS, GALEOCERDO-CUVIER, MIDDLE MIOCENE, SOUTHERN, PLIOCENE, NEOGENE, SHARK, Tortonian, glauconite, stratigraphy, fossils, Macaronichnus, 'Sables et grès à Hétérocètes', dinoflagellates, Dessel Sand Member

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MLA
Goolaerts, Stijn, et al. “The Upper Miocene Deurne Member of the Diest Formation Revisited : Unexpected Results from the Study of a Large Temporary Outcrop near Antwerp International Airport, Belgium.” GEOLOGICA BELGICA, vol. 23, no. 3–4, 2020, pp. 219–52, doi:10.20341/gb.2020.011.
APA
Goolaerts, S., de Ceuster, J., Mollen, F. H., Gijsen, B., Bosselaers, M., Lambert, O., … Hoedemakers, K. (2020). The upper Miocene Deurne Member of the Diest Formation revisited : unexpected results from the study of a large temporary outcrop near Antwerp International Airport, Belgium. GEOLOGICA BELGICA, 23(3–4), 219–252. https://doi.org/10.20341/gb.2020.011
Chicago author-date
Goolaerts, Stijn, Jef de Ceuster, Frederik H. Mollen, Bert Gijsen, Mark Bosselaers, Olivier Lambert, Alfred Uchman, et al. 2020. “The Upper Miocene Deurne Member of the Diest Formation Revisited : Unexpected Results from the Study of a Large Temporary Outcrop near Antwerp International Airport, Belgium.” GEOLOGICA BELGICA 23 (3–4): 219–52. https://doi.org/10.20341/gb.2020.011.
Chicago author-date (all authors)
Goolaerts, Stijn, Jef de Ceuster, Frederik H. Mollen, Bert Gijsen, Mark Bosselaers, Olivier Lambert, Alfred Uchman, Michiel Van Herck, Rieko Adriaens, Rik Houthuys, Stephen Louwye, Yaana Bruneel, Jan Elsen, and Kristiaan Hoedemakers. 2020. “The Upper Miocene Deurne Member of the Diest Formation Revisited : Unexpected Results from the Study of a Large Temporary Outcrop near Antwerp International Airport, Belgium.” GEOLOGICA BELGICA 23 (3–4): 219–252. doi:10.20341/gb.2020.011.
Vancouver
1.
Goolaerts S, de Ceuster J, Mollen FH, Gijsen B, Bosselaers M, Lambert O, et al. The upper Miocene Deurne Member of the Diest Formation revisited : unexpected results from the study of a large temporary outcrop near Antwerp International Airport, Belgium. GEOLOGICA BELGICA. 2020;23(3–4):219–52.
IEEE
[1]
S. Goolaerts et al., “The upper Miocene Deurne Member of the Diest Formation revisited : unexpected results from the study of a large temporary outcrop near Antwerp International Airport, Belgium,” GEOLOGICA BELGICA, vol. 23, no. 3–4, pp. 219–252, 2020.
@article{8693854,
  abstract     = {{A 5.50 m thick interval of fossiliferous intensely bioturbated heterogenous glauconiferous sand of the upper Miocene Diest Formation is documented from a very large temporary outcrop just southeast of Antwerp International Airport (northern Belgium), allowing to observe lateral variations over several hundreds of meters and to collect many vertebrate and invertebrate fossils. This paper documents observations on lithology, sedimentary and post-sedimentary structures, and discusses the results of the multi-proxy analyses of the sediment (granulometry, glauconite content, clay mineralogy, Fe content and Fe3+/Fe2+ ratios), the interpretation of the trace fossil assemblage and the sedimentary structures as well as of the large-scale samplings of micro-, meso- and macrofossils. We evidence that the Diest Formation in the Antwerp area consists of two different lithological entities, and that this twofold character can be extrapolated to all previously recorded Deurne Member outcrops. A revised lithostratigraphic scheme for the Diest Formation in the Antwerp area is proposed, with the new Borsbeek member at the base and a redefmed Deurne Member at the top.}},
  author       = {{Goolaerts, Stijn and de Ceuster, Jef and Mollen, Frederik H. and Gijsen, Bert and Bosselaers, Mark and Lambert, Olivier and Uchman, Alfred and Van Herck, Michiel and Adriaens, Rieko and Houthuys, Rik and Louwye, Stephen and Bruneel, Yaana and Elsen, Jan and Hoedemakers, Kristiaan}},
  issn         = {{1374-8505}},
  journal      = {{GEOLOGICA BELGICA}},
  keywords     = {{DINOFLAGELLATE CYST STRATIGRAPHY,NORTH-SEA BASIN,MACARONICHNUS-SEGREGATIS,ICHNOGENUS SCHAUBCYLINDRICHNUS,GALEOCERDO-CUVIER,MIDDLE MIOCENE,SOUTHERN,PLIOCENE,NEOGENE,SHARK,Tortonian,glauconite,stratigraphy,fossils,Macaronichnus,'Sables et grès à Hétérocètes',dinoflagellates,Dessel Sand Member}},
  language     = {{eng}},
  number       = {{3-4}},
  pages        = {{219--252}},
  title        = {{The upper Miocene Deurne Member of the Diest Formation revisited : unexpected results from the study of a large temporary outcrop near Antwerp International Airport, Belgium}},
  url          = {{http://dx.doi.org/10.20341/gb.2020.011}},
  volume       = {{23}},
  year         = {{2020}},
}

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