DESCRIPTION ET IMPLICATIONS GEOLOGIQUES PRELIMINAIRES D’UN FORAGE CAROTTE DANS LE

We present here the first description and the preliminary interpretations of the BER 3 core drilling located at Bernissart. The borehole goes through 349.95 meters of Thanetian, Late Cretaceous, Early Cretaceous and Westphalian sediments. Below 8 meters of green sandy clays it cuts 67 meters of Late...

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Published inGeologica Belgica no. 1-2
Main Authors Johan YANS, Paul SPAGNA, Céline VANNESTE, Michel HENNEBERT, Sara VANDYCKE, Jean-Marc BAELE, Jean-Pierre TSHIBANGU, Pierre BULTYNCK, Maurice STREEL, Christian DUPUIS
Format Journal Article
LanguageFrench
Published Université de Liège 01.01.2005
Subjects
Belgium
Bernissart
Iguanodon
sinkhole
wealden facies
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Summary:We present here the first description and the preliminary interpretations of the BER 3 core drilling located at Bernissart. The borehole goes through 349.95 meters of Thanetian, Late Cretaceous, Early Cretaceous and Westphalian sediments. Below 8 meters of green sandy clays it cuts 67 meters of Late Cretaceous chalks and marls with local glauconites and cherts. The Albian and Cenomanian "meule" sediments lie between 75 and 265 meters. The wealden facies trapped in the "Cran with iguanodons" sinkhole of Bernissart are recognised between 265 and 315 meters. This is the first description of the latter sediments and we compare them with the other wealden facies in the Mons Basin. The borehole ends within a breccia with Carboniferous blocs between 315 and 349.95 meters.
Bibliography:volume 8 (2005)
43-49
number 1-2
ISSN:1374-8505
2034-1954