Code
SLDZU
Status
Informal (Van Adrichem Boogaert & Kouwe 1993).
Lithologische beschrijving
Predominantly fine-grained interval of grey, sandy to silty mudstones with thin intercalated sand, carbonate and coal beds, occasionally fossiliferous and/or sideritic.
Afzettingsmilieu
Muddy coastal-plain, by settling from suspension during floodings. Thin sand sheets formed by crevasses, washovers, short transgressions and small-scale fluvial channels.
Definitie ondergrens
Not yet determined.
Definitie bovengrens
Not yet determined.
Dikte indicatie
Not yet determined.
Geografische verbreiding
ln the Vlieland Basin, the Zurich Formation can be
subdivided into an informal 'upper member' and 'lower
member', often separated by an incursion of either the
Scruff Greensand Formation, the Kimmeridge Clay Formation or the Wadden Volcaniclastic Member.
subdivided into an informal 'upper member' and 'lower
member', often separated by an incursion of either the
Scruff Greensand Formation, the Kimmeridge Clay Formation or the Wadden Volcaniclastic Member.
Regionale correlatie
Not yet determined.
Ouderdom
late Kimmeridgian - Valanginian.
Type section
Well:
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Oorsprong naam
Named after the village Zurich near the coast of the province of Friesland.
Vorige benaming(en)
Referred to as the Harlingen member by the RGD.
Gereviewed door (datum)
Geert-Jan Vis (2019).
Referenties
Van Adrichem Boogaert, H.A. & Kouwe, W.F.P. 1993. Stratigraphic nomenclature of The Netherlands; revision and update by RGD and NOGEPA, Section G, Upper Jurassic and Lower Cretaceous. Mededelingen Rijks Geologische Dienst, 50, 1-80..
Cite as
TNO-GDN ([YEAR]). upper Zurich member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/upper-zurich-member.