The information on this page is a summary description.
The full formal description is available here: Sint-Denis Silicite Formation
| Abbreviation | SDN |
| Parent unit | Chalk group |
| Child unit | |
| Lithological description | Very hard rock, in banks of severaldecimetresthickness or totallysilicified, of light grey colour, with conchoidal fracture; millstone grit used to this day the shaping of millstones. A few rare fossils with non-silicified shells. |
| Age | Late Turonian on the basis of calcitic fossils: Micraster leskei, Sternotaxis plana, Inoceramus carpathicus, I.mantelli. |
| Thickness | 2 to 7 m. |
| Area of occurrence | The Silicite is a lateral facies of the Hautrage Formation, only found between Ghlin and Saint-Denis, in the north of the Mons Basin. |
| Type locality | Engelbienne Quarry at Saint-Denis (see Robaszynski, 1975b, p. 36). |
| Alternative names | |
| Authors | Robaszynski, F., Dhondt, A.V. & Jagt, J.W.M. |
| Date | 01/01/2001 |
| Cite as | Robaszynski, F., Dhondt, A.V. & Jagt, J.W.M., 2001. The Sint-Denis Silicite Formation, 01/01/2001. National Commission for Stratigraphy Belgium. http://ncs.naturalsciences.be/lithostratigraphy/Sint-Denis-Silicite-Formation |
