Code
NUKRZU
Status
Formal (Busschers & Weerts 2003).
Lithological description
Grey clay, slightly silty to sandy, brown to black peat, and grey to brown very fine to fine sand.
Depositional setting
Meandering fluvial, with channel belt and flood basin (Rhine; Peeters et al. 2015).
Definition of lower boundary
Gradual transition into fluvio-deltaic sand (Twello Member, Kreftenheye Formation).
Definition of upper boundary
Sharp contact with fine to medium periglacial sand (Boxtel Formation).
Thickness indication
Up to about 12 m in the IJssel Valley glacial basin.
Geographical distribution
Near the IJssel river in the central-eastern Netherlands.
Regional correlation
North Sea: not present; UK: not present; GER: not distinguished; BEL: not present.
Age
Late Pleistocene (Eemian).
Hypostratotype
Well:
B33E0312 (Zutphen)
Depth (thickness) AH:
9.00 - 21.00 m (12 m) below land surface
Origin of name
Named after the city of Zutphen located in the IJssel Valley.
Previous name(s)
None.
Reviewed by (date)
Wim Dubelaar (2018), Sytze van Heteren (2019).
References
Busschers, F.S., Weerts, H.J.T. 2003. Beschrijving lithostratigrafische eenheid. Nederlands Instituut voor Toegepaste Geowetenschappen TNO. Utrecht.
Peeters, J., Busschers, F.S., Stouthamer, E. 2015. Fluvial evolution of the Rhine during the last interglacial-glacial cycle in the southern North Sea basin: a review and look forward. Quaternary International, 357, 176-188.
Cite as
TNO-GDN ([YEAR]). Zutphen Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/zutphen-member.