4.2.17. Samme Formation - SAM
Authors:Doremus & Hennebert, 1995.
Description: The Samme Fm is subdivided into three members, respectively from bottom to top :
1. the Bois de La Rocq Mbr : conglomerates, red and green sandstones, red shales to the bottom; sandstones with dolomitic cement to the top;
2. the Feluy Mbr : mainly limestones, sometimes oolitic, dolostones and less abundant sandstones;
3. and the Mévergnies Mbr : sandstones , often dolomitic, with shaly intercalations.
Stratotype:Samme valley.
Area: western part of the northern limb of the Namur Synclinorium.
Thickness: 65 to 100 m.
Age: Bois de La Rocq Mbr: Strunian; upper part, Hastarian. Feluy and Mévergnies Mbrs: Hastarian.