Tisselt Member

The information on this page is a summary description.
The full formal description is available here: Tisselt Member

Abbreviation
Parent unit Gent Formation
Child units
Lithological description Yellow to grey alternated bedded deposits of silty and sandy sediments. The deposits consist either of well-defined alternating layers or laminae of silt and sand with very distinct bounding surfaces or as a unit in which one texture predominates interlayered with layers or laminae of different texture. In the coversand area commonly sand predominates whereas in the transitional area silt prevail. Massive bedding, horizontal bedding and small ripple bedding is observed. Frost cracks and deformation structures are common (on several levels). If present, the Tisselt Member is always covered by the Opgrimbie Member. It lays on Quaternary or pré-Quaternary deposits.
Age Weichselian
Thickness Less than a meter to several meters
Area of occurrence The coversand and the transitional area.
Type locality Two stratotypes are defined for this member as the textural composition of this unit differs for different depositional areas. The stratotype for the northern part of the sand belt is core 58E296 (Lambert coordinates: x = 151159, y = 191869; z = 7.91 m TAW). The stratotype for the transitional area is core 73W279 (Lambert coordinates: x = 152840, y = 185257; z = 13.5 m TAW).
Alternative names
Authors Beerten, K., Bogemans, F., Heyvaert, V., Vandenberghe, D. & Van Nieuland, J.
Date 15/01/2016
Cite as Beerten, K., Bogemans, F., Heyvaert, V., Vandenberghe, D. & Van Nieuland, J., 2016. The Tisselt Member, 15/01/2016. National Commission for Stratigraphy Belgium. http://ncs.naturalsciences.be/lithostratigraphy/Tisselt-Member

Quaternary

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