Z2 Carbonate Member

Formal (NAM & RGD 1980). Amended (Van Adrichem Boogaert & Kouwe 1994).
Lithological description

Thin, finely laminated, argillaceous, black and often bituminous limestones. On the slope of the basin the member is developed as a thicker-bedded limestone. Along the basin margin, this member usually consists of a massive to thick-bedded, light-coloured, sometimes oolitic or bioclastic dolomite, with intercalations of anhydrite.

Depositional setting

Marine carbonate, bordered by an extensive sabkha to the south and a deep basin to the north.

Definition of lower boundary

Not yet determined.

Definition of upper boundary

Not yet determined.

Thickness indication
Up to 322 m.
Geographical distribution
Regional correlation
UK: Hauptdolomit Formation; GER: Hauptdolomit, Stinkkalk, Stinkschiefer; BEL: Z2 Carbonate Member.
Depth (thickness) AH:
1365 - 1407 m (42 m)
Depth (thickness) AH:
2823 - 2828 m (5 m)
Depth (thickness) AH:
4488 - 4492 m (4 m)
Origin of name
Previous name(s)
Reviewed by (date)
Mark Geluk (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 D, Permian. Mededelingen Rijks Geologische Dienst, 50, 1-42.
Cite as
TNO-GDN ([YEAR]). Z2 Carbonate Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/z2-carbonate-member.