The information on this page is a summary description.
The full formal description is available here: Thimensart Formation
Abbreviation
THM
Parent unit
Child units
Lithological description
Shale and micaceous siltstone and fine sandstone with graptolites (Malaise, 1900); laminated with locally some thin red shale beds (Michot, 1954); olive green shale, micaceous, with compact bedding, lamination or fine oblique stratification.
Age
The graptolite biozones Monograptus nilssoni, M. scanicus and M. tumescens were recognised, Gorstian, early Ludlow in age (Michot, 1954); the P. nilssoni and the L. scanicus biozones were recognised by Rickards in Maes et al. (1978).
Thickness
Difficult to estimate but in the order of 100 m (Michot, 1957).
Area of occurrence
Condroz inlier.
Type locality
Right bank of the Fuette river, between the road to Fosses and the old Ferme de Thimensart, east of Fosses (Martin, 1969).
Alternative names
Assise de Thimensart, Schistes de Thimensart.
Authors
Verniers, J., Herbosch, A., Vanguestaine, M., Geukes, F., Delcambre, B., Pingot, J.-L., Belanger, I., Hennebert, M., Debacker, T., Sintubin, M. & De Vos, W.
Date
01/01/2001
Cite as
Verniers, J., Herbosch, A., Vanguestaine, M., Geukes, F., Delcambre, B., Pingot, J.-L., Belanger, I., Hennebert, M., Debacker, T., Sintubin, M. & De Vos, W., 2001. The Thimensart Formation, 01/01/2001. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Thimensart-Formation
