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5.43. Viesville Formation - VIE

 

Authors: Briart & Bayet, 1899; Conil, 1959; Paproth et al., 1983; Hennebert, 1999.

Description: The lower part of the formation comprises centimetric to decimetric beds of black, sapropelic, fine-grained limestones with shaly levels, and the upper part black siliceous shales.

Stratotype: Old quarries and outcrops at Viesville.

Area: Western HSA, at least from Péruwelz to Fleurus.

Thickness: At least 67 m according to Conil (1959).

Age: Warnantian (Paproth et al., 1983).