Weerdinge Member

Code
NUAPWE
Status
Formal (Bosch 2003).
Lithologische beschrijving

Grey to pale brown medium to very coarse sand, gravelly (including cobbles). Slightly glauconitic.

Afzettingsmilieu

Fluvioglacial (Lee et al. 2012) (easterly rivers sourced in central Germany).

Definitie ondergrens

Underlain by finer fluvial sand (Appelscha Formation).

Definitie bovengrens

Locally, sharp contact with fluvial clay and fine sand (Urk Formation). Elsewhere, more gradual transition into coarser fluvial sand (Urk Formation) or overlain by subglacial or ice-marginal sand (Peelo Formation).

Dikte indicatie
Up to about 20 m.
Geografische verbreiding
Not yet determined.
Regionale correlatie
North Sea: ?; UK: not present; GER: not distinguished; BEL: not present.
Ouderdom
Middle Pleistocene (Cromerian C).
Type section
Well:
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Oorsprong naam
Named after the village of Weerdinge in the northeastern Netherlands.
Vorige benaming(en)
Mixing zone of the Urk Formation (Doppert et al. 1975).
Gereviewed door (datum)
Wim Dubelaar (2018), Sytze van Heteren (2019).
Referenties
Bosch, J.H.A. 2003. Beschrijving lithostratigrafische eenheid. Nederlands Instituut voor Toegepaste Geowetenschappen TNO. Utrecht.
Doppert, J.W.Chr., Ruegg, G.H.J., Van Staalduinen, C.J., Zagwijn, W.H., Zandstra, J.G. 1975. Formaties van het Kwartair en Boven-Tertiair in Nederland. In: Zagwijn, W.H., Van Staalduinen, C.J. (eds.): Toelichting bij geologische overzichtskaarten van Nederland. Rijks Geologische Dienst, Haarlem, 11-56.
Lee, J.R., Busschers, F.S., Sejrup, H.P. 2012. Pre-Weichselian Quaternary glaciations of the British Isles, The Netherlands, Norway and adjacent marine areas south of 68 N: implications for long-term ice sheet development in northern Europe. Quaternary Science Reviews, 44, 213-228.
Cite as
TNO-GDN ([YEAR]). Weerdinge Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://acc.dinoloket.nl/en/stratigraphic-nomenclature/weerdinge-member.