5.45 Gottignies Formation - GOT

Authors: Conil, 1959; Paproth et al., 1983; Hennebert, 1999.

Description: Regular, thin-bedded, dark grey to black laminated siliceous shales, rich in radiolarian, with shaly interbeds. Thin phosphorite beds occur locally.

Stratotype: Outcrops along the Wanze valley, north-east of Gottignies.

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

Thickness: about 77 m.

Age: Latest Warnantian (Paproth et al., 1983; Hennebert, 1999).