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OSTRACODS FROM THE EIFELIAN/GIVETIAN TRANSITION AT GLAGEON
Casier, J.G.; KASIMI, R.; Preat, A. (1995). OSTRACODS FROM THE EIFELIAN/GIVETIAN TRANSITION AT GLAGEON. Géobios 28(4): 487-499. dx.doi.org/10.1016/S0016-6995(95)80025-5
In: Géobios. Association Européenne de Paléontologie: Lyon. ISSN 0016-6995, more
Peer reviewed article  

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Keyword
Author keywords
    OSTRACODS; EIFELIAN; GIVETIAN; PALEOECOLOGY; SEDIMENTOLOGY

Authors  Top 
  • Casier, J.G.
  • KASIMI, R.
  • Preat, A.

Abstract
    Fifty-six ostracod species are recognized in the Hanonet Formation (Upper Eifelian) and in the lowermost Trois-Fontaines Formation (Lower Givetian) of the Glageon Quarry (Southern border of the Dinant Basin, Avesnois, Northern France). The ostracods belong to the Eifel ecotype sensu BECKER (in BANDEL & BECKER, 1975) and two assemblages are recognized : 1. assemblage III characterizes a relatively quiet marine environment below wave base on the mid-ramp setting (Hanonet Formation); 2. assemblage II characterizes a shallow marine environment above wave base on the inner-ramp (lower part of the Trois-Fontaines Formation). Comparatively with other outcrops from the Southern border of the Dinant Basin, the sea level fluctuations were of very low amplitude near the Eifelian/Givetian boundary at Glageon. The study of sediments in Glageon is consistent with the data from ostracods.

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