Solling Claystone Member

Formal (NAM & RGD 1980). Amended (Van Adrichem Boogaert & Kouwe 1993).
Lithological description

Red, green and locally grey claystones, which often show high gamma-ray readings in the basal part, several sand stringers are present.

Depositional setting

Lacustrine with eolian intercalations.

Definition of lower boundary

Not yet determined.

Definition of upper boundary

Not yet determined. lf it is not possible to distinguish the Solling Claystone Member from the overlying Röt Formation, they may be lumped into an informal unit: the upper Bunter unit (RNUB).

Thickness indication
Up to and sometimes over 100 m.
Geographical distribution
Regional correlation
UK: ?; GER: Solling Formation; BEL: Solling Formation.
latest Olenekian - earliest Anisian.
Depth (thickness) AH:
3929 - 3964 m (35 m)
Depth (thickness) AH:
2447 - 2513 m (66 m)
Depth (thickness) AH:
2524 - 2532 m (8 m)
Origin of name
Name derived from the German stratigraphic nomenclature.
Previous name(s)
Reviewed by (date)
Johan ten Veen (2017).
NAM & RGD 1980. Stratigraphic nomenclature of The Netherlands. Verhandelingen van het Koninklijk Nederlands Geologisch Mijnbouwkundig Genootschap 32, 77 p.
Van Adrichem Boogaert, H.A. & Kouwe, W.F.P. 1994. Stratigraphic nomenclature of The Netherlands; revision and update by RGD and NOGEPA, Section E, Triassic. Mededelingen Rijks Geologische Dienst, 50, 1-28.
Cite as
TNO-GDN ([YEAR]). Solling Claystone Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from