Code
ATBR1
Status
Formal (NAM & RGD 1980).
Lithological description
Marl/limestone alternation in which the number and thickness of limestone beds clearly increase toward the top. Just above the basal limestone beds a characteristic marlstone interval is found. On wire-line logs the unit is recognisable by a clear overall funnel shape.
Depositional setting
Shallow marine.
Definition of lower boundary
Not yet defined.
Definition of upper boundary
Not yet defined.
Thickness indication
Up to 128 m.
Geographical distribution
Regional correlation
UK: West Sole Group; GER: Dogger Group; BEL: -.
Age
latest Bajocian - early Bathonian.
Holostratotype
Well:
Depth (thickness) AH:
2095 - 2154 m (59 m)
Parastratotype
Well:
Depth (thickness) AH:
1665 - 1746 m (81 m)
Origin of name
None.
Previous name(s)
None.
Reviewed by (date)
Sander Houben (2017.
References
NAM & RGD 1980. Stratigraphic nomenclature of The Netherlands. Verhandelingen van het Koninklijk Nederlands Geologisch Mijnbouwkundig Genootschap 32, 77 p.
Cite as
TNO-GDN ([YEAR]). Lower Brabant Limestone Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/lower-brabant-limestone-member.