Delft Sandstone Member

Formal (Van Adrichem Boogaert & Kouwe 1993).
Lithological description

Light-grey massive sandstone sequence, fine to coarse-gravelly, fining upward, lignitic.

Depositional setting

Distributary-channels in a lower-coastal-plain setting.

Definition of lower boundary

Conformably overlie the flood-plain deposits of the Alblasserdam Member. In the type section the unit unconformably overlies the Aalburg Formation.

Definition of upper boundary

Conformably overlain by the organic rich claystones of the Rodenrijs Member.

Thickness indication
Generally less than 145 m, but up to 320 m in Q13-04.
Geographical distribution
Regional correlation
UK: Cromer Knoll Group - Humber Group; GER: ?; BEL: -.
Depth (thickness) AH:
2224 - 2256 m (32 m)
Depth (thickness) AH:
674 - 741 m (67 m)
Origin of name
Named after the city of Delft.
Previous name(s)
Reviewed by (date)
Sander Houben (2017).
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]). Delft Sandstone Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from