The information on this page is a summary description.
The full formal description is available here: Zelzate Formation
| Abbreviation | Zz |
| Parent unit | Tongeren Group |
| Child units | Bassevelde Member, Watervliet Member, Ruisbroek Member |
| Lithological description | This marine unit starts with a dark grey, moderately fine, silty sand, glauconiferous and micaceous, with intercalations of thick lenses of grey clay; it is covered by dark green, sandy clay. The top is formed by green grey sands, rich in fos-sils, with large sandstone concretions. |
| Age | Early Priabonian to Early Oligocene. |
| Thickness | Probably 25 to 30 m, decreasing to the east. |
| Area of occurrence | Northern part of East-Flanders and the Antwerpen Province till the area between the Nete and the Demer rivers. |
| Type locality | |
| Alternative names | |
| Authors | Laga, P., Louwye S. & Geets, S. |
| Date | 01/01/2001 |
| Cite as | Laga, P., Louwye S. & Geets, S., 2001. The Zelzate Formation, 01/01/2001. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Zelzate-Formation |
| Additional information | The formation is also discussed by Dumont (1839), Gulinck (1965b, 1969), Halet (1905, 1937), Jacobs & De Coninck (1977), Janssen (1981), Matheussens (1971), Mourlon (1894-1895), Steurbaut (1986, 1992), Vandenberghe (1974) and Van Den Bosch et al. (1975). |
