Code
RNRO2
Status
Formal (NAM & RGD 1980).
Lithological description
Alternation of thin-bedded rock-salt and anhydrite. Anhydrite-claystone alternation towards the basin-fringe.
Depositional setting
Evaporitic marine.
Definition of lower boundary
Not yet defined.
Definition of upper boundary
Not yet defined.
Thickness indication
Generally less than 70 m, but up to 144 m in L09-FF-105.
Geographical distribution
Regional correlation
UK: Röt Formation; GER: Röt Formation; BEL: Röt Formation.
Age
early Anisian.
Holostratotype
Well:
Depth (thickness) AH:
3749 - 3765 m (16 m)
Parastratotype
Well:
Depth (thickness) AH:
2316 - 2321 m (5 m)
Origin of name
None.
Previous name(s)
None.
Reviewed by (date)
Johan ten Veen (2017).
References
NAM & RGD 1980. Stratigraphic nomenclature of The Netherlands. Verhandelingen van het Koninklijk Nederlands Geologisch Mijnbouwkundig Genootschap 32, 77 p.
Cite as
TNO-GDN ([YEAR]). Upper Röt Evaporite Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://acc.dinoloket.nl/en/stratigraphic-nomenclature/upper-rot-evaporite-member.