Code
SGSKN
Status
Formal (Munsterman et al. 2012).
Lithologische beschrijving
Moderately to well-sorted, greenish-grey, slightly argillaceous, occasionally calcite cemented, glauconitic sandstones. Sediments show bioturbation and are locally pyritic, lignitic, and/or characterised by shell debris.
Afzettingsmilieu
Shallow marine environment, ranging from offshore to lower shore face.
Definitie ondergrens
With the Oyster Ground Member (Skylge Formation) is marked by a sharp downward increase in GR-log readings.
Definitie bovengrens
With the Scruff Spiculite Member is marked by funnel-shaped GR-log pattern, resulting from the upward decreasing clay content.
Dikte indicatie
Up to 316 m (F18-11).
Geografische verbreiding
Regionale correlatie
UK: Humber Group; GER: ?; BEL: -.
Ouderdom
Tithonian.
Holostratotype
Well:
Depth (thickness) AH:
3065 - 3276 m (211 m)
Oorsprong naam
Named after the shoal in the western part of the Wadden island Terschelling.
Vorige benaming(en)
None.
Gereviewed door (datum)
Sander Houben (2017).
Referenties
Munsterman, D.K., Verreussel, R.M.C.H., Mijnlieff, H.F., Witmans, N., Kerstholt-Boegehold, S. & Abbink, O.A. 2012. Revision and update of the Callovian-Ryazanian Stratigraphic Nomenclature in the northern Dutch Offshore, i.e. Central Graben Subgroup and Scruff Group. Netherlands Journal of Geosciences-Geologie en Mijnbouw, 91 (4), 555-590.
Cite as
TNO-GDN ([YEAR]). Noordsvaarder Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/noordsvaarder-member.