Code
NUNAWAYE
Status
Formal (Weerts 2003).
Lithologische beschrijving
Greenish to brownish grey firm clay, silty, organic, with intercalated sand laminae.
Afzettingsmilieu
Periodically flooded shore of inland sea (Westerhoff et al. 1987, 2003).
Definitie ondergrens
Sharp contact with peat (Nieuwkoop Formation).
Definitie bovengrens
Exposed at the surface.
Dikte indicatie
Up to about 0.5 m.
Geografische verbreiding
Southern and eastern fringes of a former inland sea in the central Netherlands.
Regionale correlatie
North Sea: not present; UK: not present; GER: not present; BEL: not present.
Ouderdom
Holocene (Meghalayan, 800-1400 AD).
Type section
Well:
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Oorsprong naam
Named after a dammed creek northeast of Amsterdam.
Vorige benaming(en)
None.
Gereviewed door (datum)
Wim Dubelaar (2018), Sytze van Heteren (2019).
Referenties
Weerts, H.J.T. 2003. Beschrijving lithostratigrafische eenheid. Nederlands Instituut voor Toegepaste Geowetenschappen TNO. Utrecht.
Westerhoff, W.E., De Mulder, E.F.J., De Gans, W. 1987. Toelichtingen bij de Geologische kaart van Nederland 1: 50.000 Blad Alkmaar West (19W) en Blad Alkmaar Oost (19O). Rijks Geologische Dienst, Haarlem.
Westerhoff, W.E., Wong, Th.E., De Mulder, E.F.J. 2003. Opbouw van de ondergrond. Deel 3. In: De Mulder, E.F.J., Geluk, M.C., Ritsema, I., Westerhoff, W.E., Wong, Th.E. (eds.): De ondergrond van Nederland. Netherlands Institute of Applied Geosciences TNO - National Geological Survey, 249-352.
Cite as
TNO-GDN ([YEAR]). IJe Bed. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://acc.dinoloket.nl/en/stratigraphic-nomenclature/ije-bed.