The information on this page is a summary description.
The full formal description is available here: Hainin Formation
| Abbreviation | Ha |
| Parent unit | Haine Group |
| Child units | |
| Lithological description | The sediments are from lacustrine – continental origin and consist of lime-stones, grey and white marls, black clays and lignites, and some sands. They rest in the Mons region on the limestones of the Mons Fm. |
| Age | Early Selandian. |
| Thickness | Approximately 30 m. |
| Area of occurrence | The formation is known in outcrops and boreholes in the region of Hainin and St.-Ghislain (western part of the Mons Basin), and only in boreholes in the region of Mons and Ghlin. |
| Type locality | Outcrop along the railroad from Mons to Quiévrain, between Boussu and Thulin. Sheet 45/5-6 (Quiévrain – Saint-Ghislain). The borehole HA1 (1970) near the outcrop penetrated about 30 m of the Hainin Fm. Co-ordinates: x = 107.25, y = 124.89, z = +26 m. |
| Alternative names | |
| Authors | Laga, P., Louwye S. & Geets, S. |
| Date | 01/01/2001 |
| Cite as | Laga, P., Louwye S. & Geets, S., 2001. The Hainin Formation, 01/01/2001. National Commission for Stratigraphy Belgium. http://ncs.naturalsciences.be/lithostratigraphy/Hainin-Formation |
