Formal (Van Adrichem Boogaert & Kouwe 1994).
Red to brown claystones with silty and sandy intercalations.
Definition of lower boundary
Top of the underlying Z3 Carbonate Member.
Definition of upper boundary
Base of the overlying Red Salt Clay Member.
10 m along hole.
Limited mainly to the western offshore area.
UK: not present; GER: not present; BEL: not present.
Name derived from the German stratigraphic nomenclature, where it is applied to the third evaporite cycle of the Zechstein Group (Richter-Bernburg 1955).
Reviewed by (date)
Geert-Jan Vis (2019).
Van Adrichem Boogaert, H.A. & Kouwe, W.F.P. 1994. Stratigraphic nomenclature of The Netherlands; revision and update by RGD and NOGEPA, Section D, Permian. Mededelingen Rijks Geologische Dienst, 50, 1-42.
TNO-GDN ([YEAR]). Z3 Fringe Claystone Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/z3-fringe-claystone-member.