Code
ZEZ4R
Status
Formal (NAM & RGD 1980). Amended (Van Adrichem Boogaert & Kouwe 1994).
Lithologische beschrijving
Red, generally anhydritic claystone. It may include some calcareous or dolomitic intercalations.
Afzettingsmilieu
Marine (?).
Definitie ondergrens
Not yet determined.
Definitie bovengrens
On wire-line logs the boundary of this unit with the overlying Z4 Pegmatite Anhydrite Member can be recognised by a characteristic, sharp increase of GR and decreasing acoustic velocity, which is very useful for regional correlation purposes.
Dikte indicatie
Up to 68 m.
Geografische verbreiding
Regionale correlatie
UK: Roter Salzton Formation; GER: Roter Salzton; BEL: Red Salt Clay Member.
Ouderdom
latest Wuchiapingian.
Holostratotype
Depth (thickness) AH:
1240 - 1245 m (5 m)
Hypostratotype
Depth (thickness) AH:
4090 - 4096 m (6 m)
Parastratotype
Depth (thickness) AH:
2247 - 2250 m (3 m)
Type section
Well:
Depth (thickness) AH:
1856 - 1860 m (4 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]). Red Salt Clay Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/red-salt-clay-member.