Code
NUWAWO
Status
Formal (Westerhoff & Weerts 2003).
Lithologische beschrijving
Grey to yellowish white very fine to fine sand, non-calcareous, partly micaceous, common clay pebbles. At the top, very fine sand with intercalated clay laminae and lenses, as well as bluish grey clay, non-calcareous, micaceous, with organic horizons. Overall fining-upward sequence. Locally bioturbated.
Afzettingsmilieu
Brackish inshore (estuarine) tidal, including channel, sand flat, mudflat, and marsh.
Definitie ondergrens
Sharp unconformable contact with coarser tidal sand (Hoogerheide Member, Waalre Formation).
Definitie bovengrens
Sharp unconformable contact with river sand (Waalre Formation, undifferentiated) or periglacial sand (Boxtel Formation, locally gravelly Beuningen Bed).
Dikte indicatie
Up to about 5 m. In its western reach, possibly up to 80 m (cf. Van Voorthuysen 1957).
Geografische verbreiding
Southwestern Netherlands.
Regionale correlatie
North Sea: not distinguished; UK: not present; GER: not present; BEL: Turnhout Member, Weelde Formation (Kempen Group; Wouters & Vandenberghe 1994).
Ouderdom
early Pleistocene (Tiglian).
Holostratotype
Well:
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Comments:
Proposed stratotype location: Woensdrecht Rijzende weg (Kasse 1988 , p.29).
Oorsprong naam
Named after the village of Woensdrecht in the southwestern Netherlands, close to the Belgian border.
Vorige benaming(en)
Originally part of the Tegelen Formation (Kasse 1988). Halsteren Deposits (Van Voorthuysen 1957).
Gereviewed door (datum)
Wim Dubelaar (2018), Sytze van Heteren (2019).
Referenties
Kasse, C. 1988. Early Pleistocene tidal and fluvial environments in the southern Netherlands and northern Belgium. PhD Thesis, Vrije Universiteit Amsterdam, 190 p.
Van Voorthuysen, J.H. 1957. Algemeen geologisch overzicht tot een diepte van 40 meter. In: De Ridder, N.A. (ed.), Agrohydrologische profielen van Zeeland. Staatsdrukkerij, s-Gravenhage, 20-32.
Westerhoff, W.E., Weerts, H.J.T. 2003. Beschrijving lithostratigrafische eenheid. Nederlands Instituut voor Toegepaste Geowetenschappen TNO. Utrecht.
Cite as
TNO-GDN ([YEAR]). Woensdrecht Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/woensdrecht-member.