Code
ZEZ4A
Status
Formal (NAM & RGD 1980). Amended (Van Adrichem Boogaert & Kouwe 1994).
Lithologische beschrijving
The Z4 Pegmatite Anhydrite Member is a distinct white anhydrite unit, commonly with coarse halite crystals.
Afzettingsmilieu
Marine (?).
Definitie ondergrens
Not yet determined.
Definitie bovengrens
Not yet determined.
Dikte indicatie
Generally less than 20 m, up to 118 m in M10-04.
Geografische verbreiding
Regionale correlatie
UK: Pegmatitanhydrit Formation; GER: Aller Anhydrit, Pegmatitanhydrit, Grenzanhydrit; BEL: Z4 Pegmatite Anhydrite Member.
Ouderdom
earliest Changhsingian.
Holostratotype
Depth (thickness) AH:
1238 - 1240 m (2 m)
Parastratotype
Depth (thickness) AH:
2246 - 2247 m (1 m)
Type section
Depth (thickness) AH:
4088.5 - 4090 m (1.5 m)
Oorsprong naam
None.
Vorige benaming(en)
None.
Gereviewed door (datum)
Mark Geluk (2017).
Referenties
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]). Z4 Pegmatite Anhydrite Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/z4-pegmatite-anhydrite-member.