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Organic-walled microfossils in the Oligocene Grimmertingen and Neerrepen sand members from the Grimmertingen type locality
Deconinck, J. (2001). Organic-walled microfossils in the Oligocene Grimmertingen and Neerrepen sand members from the Grimmertingen type locality. Professional Paper. Geological Survey of Belgium, 2001/02(294). Geologische Dienst van België: Brussel. 57 pp., 4 figs, 3 tabs, 13 pls pp.
Part of: Professional Paper. Geological Survey of Belgium. Belgische Geologische Dienst: Brussel. ISSN 0378-0902, more
Peer reviewed article  
Available in  Author 
Document type: Scientific report
Keywords
    Countries > Developed countries > Benelux > European union countries > Oecd countries > Western europe > Belgium
    Disciplines > Biology > Palaeontology
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Palaeogene > Eocene
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Palaeogene > Eocene > Priabonian
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Palaeogene > Oligocene
    Geology
    Acritarcha [WoRMS]; Chlorophyceae [WoRMS]; Dinoflagellata [WoRMS]; Prasinophyceae [WoRMS]
    Belgium, Kortessem [Marine Regions]
    Marine/Coastal
Author keywords
    organic-walled microfossils - Eocene-Oligocene - Lower Tongrian - Belgian Basin
Author  Top 
  • Deconinck, J., more
Abstract
    Rich assemblages of organic-walled microfossils are present in the Grimmertingen Sands and Neerrepen Sands sampled in the type section of the Grimmertingen Member. Comparison with the distribution of the taxa in the Upper Eocene and Lower Oligocene deposits in the Kallo borehole and in the Rupelian type area point to a correlation with the upper part of the Bassevelde Sands Member, and with the Watervliet Clay and Wintham Silt Members. The distribution of taxa with paleoenvironmental significance indicate a cooling trend in the upper part of the Grimmertingen Sands and a subsequent phase of lowering sea level corresponding with the Neerrepen Sands. One new species, and three species under open nomenclature are described.
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