Code
RNKPD
Status
Formal (NAM & RGD 1980).
Lithological description
Anhydritic, partly dolomitic or marly claystones, containing fine-grained sandstone intercalations. Grey to green colours are common, red claystones also occur. In the Ems Low dolomite stringers are common, but these become rare towards the north and west.
Depositional setting
Playa lake.
Definition of lower boundary
Not yet defined.
Definition of upper boundary
Not yet defined.
Thickness indication
Up to 108 m.
Geographical distribution
Regional correlation
UK: Triton Formation; GER: Arnstadt Formation (Steinmergelkeuper); BEL: Dolomitic Keuper Member.
Age
Norian.
Holostratotype
Well:
Depth (thickness) AH:
2845 - 2917 m (72 m)
Parastratotype
Well:
Depth (thickness) AH:
1628 - 1663 m (35 m)
Origin of name
None.
Previous name(s)
None.
Reviewed by (date)
Johan ten Veen (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]). Dolomitic Keuper Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://acc.dinoloket.nl/en/stratigraphic-nomenclature/dolomitic-keuper-member.