The information on this page is a summary description.
The full formal description is available here: Mont-Saint-Martin Formation
Abbreviation
MSN
Parent unit
Child units
Lithological description
Argillaceous sandstone (“Supraliasic Sandstone”), followed by ferruginous marl including several iron oolite beds, and ending with sandy marl. Locally, coquina beds.
Age
Mont-Saint-Martin Formation is dated from Upper Toarcian to Lower Bajocian Grammoceras thouarcense Zone to Hyperlioceras discites Zone (Maubeuge, 1947, 1972).
Thickness
It presents a thickness of approximately 40 m in the eastern area but is strongly reduced towards the west.
Area of occurrence
The formation crops out in the extreme south of Belgian Lorraine.
Type locality
Bois de Musson, to the west of Mont-Saint-Martin.
Alternative names
Authors
Boulvain, F., Belanger, I., Delsate, D., Ghysel, P., Godefrout, P., Laloux, M., Monteyne, R. & Roche, M.
Date
01/01/2001
Cite as
Boulvain, F., Belanger, I., Delsate, D., Ghysel, P., Godefrout, P., Laloux, M., Monteyne, R. & Roche, M., 2001. The Mont-Saint-Martin Formation, 01/01/2001. National Commission for Stratigraphy Belgium. http://ncs.naturalsciences.be/lithostratigraphy/Mont-Saint-Martin-Formation
