Argillaceous Keuper member

Informal (NAM & RGD 1980).
Lithological description

Claystone, evaporite and dolomite. For regional purposes, a simplified subdivision can be applied, in which the members of the Keuper Formation above the Main Keuper Evaporite Member are lumped into one larger unit, informally called the Argillaceous Keuper member (e.g. in well Emmen-07: 1611 - 1641 m).

Depositional setting

Playa - sabkha.

Definition of lower boundary

Not yet determined.

Definition of upper boundary

Not yet determined.

Thickness indication
Up to 80 m.
Geographical distribution
Not yet determined.
Regional correlation
Not yet determined.
Ladinian - early Rhaetian.
Type section
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Reviewed by (date)
Geert-Jan Vis (2019).
NAM & RGD 1980. Stratigraphic nomenclature of The Netherlands. Verhandelingen van het Koninklijk Nederlands Geologisch Mijnbouwkundig Genootschap 32, 77 p.
Cite as
TNO-GDN ([YEAR]). Argillaceous Keuper member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from