Z1 Carbonate Member

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

Grades from argillaceous limestone at the base into crystalline dolomite at the top. Contains variable amounts of anhydrite.

Depositional setting

Basinal and slope deposits. The platform facies is represented by the Z1 Fringe Carbonate Member and Z1 Lower Claystone Member.

Definition of lower boundary

Not yet determined.

Definition of upper boundary

Mostly gradational.

Thickness indication
Up to 117m.
Geographical distribution
Regional correlation
UK: Zechsteinkalk Formation; GER: Zechsteinkalk; BEL: Z1 Carbonate Member.
early Wuchiapingian.
Depth (thickness) AH:
1801 - 1803 m (2 m)
Depth (thickness) AH:
3110 - 3121 m (11 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]). Z1 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/z1-carbonate-member.