Code
CKVA
Status
Formal (Felder 1975). Amended (Felder & Bosch 2000).
Lithologische beschrijving
Cyclic alternation of glauconitic greensands and clayey sandstones.
Afzettingsmilieu
Shallow marine environment.
Definitie ondergrens
Nature of the contact with the underlying Aachen Formation remains unclear. On the Peel Block the formation rests upon the Oploo Formation.
Definitie bovengrens
Nature of the contact with the overlying Gulpen Formation is locally unconformable.
Dikte indicatie
Up to 150 m.
Geografische verbreiding
South of the Heerlerheide Fault and on the Peel Block.
Regionale correlatie
UK: Jukes Formation (offshore); GER: Vaals Formation; BEL: Vaals Formation.
Ouderdom
Campanian.
Holostratotype
Well:
Vaalserberg area (no well)
Depth (thickness) AH:
-
Comments:
The type area is situated in the surroundings of the Vaalserberg, around the place where the borders of the Netherlands, Germany and Belgium meet.
Oorsprong naam
Named after the town of Vaals.
Vorige benaming(en)
None.
Gereviewed door (datum)
Mark Geluk, Geert-Jan Vis (2017).
Referenties
Felder, W.M. 1975. Lithostratigrafie van het Boven‑Krijt en het Dano‑Montien in Zuid‑Limburg en het aangrenzende gebied. In: Zagwijn, W.H. & Van Staalduinen C.J. (eds.), Toelichting bij geologische overzichtskaarten van Nederland, Rijks Geologische Dienst, Haarlem, 63‑72.
Felder, W.N. & Bosch, P.W. 2000. Het Krijt van Zuid-Limburg. NITG-TNO, Geologie van Nederland 5, 190 p.
Cite as
TNO-GDN ([YEAR]). Vaals Formation. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://acc.dinoloket.nl/en/stratigraphic-nomenclature/vaals-formation.