Ockenburg Member

Formal (Busschers & Weerts 2003).
Lithological description

Grey to greyish brown medium to very coarse sand, calcareous and locally gravelly. Typically fining upward with upward-decreasing percentage marine shells (Eemian fauna).

Depositional setting

Fluvial (Rhine) and estuarine.

Definition of lower boundary

Generally, gravelly lag at the base. Sharp, unconformable contact with older fluvial sand (Kreftenheye Formation, undifferentiated).

Definition of upper boundary

Generally, erosive contact with younger fluvial sand (Kreftenheye Formation, undifferentiated).

Thickness indication
Up to about 20 m.
Geographical distribution
Lowland of the western and southwestern Netherlands, southern part of Dutch North Sea.
Regional correlation
North Sea: fragmentarily present as Kreftenheye Formation (undifferentiated; Cameron et al. 1989); UK: not present; GER; not present; BEL: not present.
Late Pleistocene (early Weichselian).
B30D0215 (Ockenburg)
Depth (thickness) AH:
26.50- 42.75 m (16.25 m) below land surface
Origin of name
Named after Ockenburg, a borough of The Hague and former airport.
Previous name(s)
The unit is equivalent to unit B2 in Busschers (2008).
Reviewed by (date)
Wim Dubelaar (2018), Sytze van Heteren (2019).
Busschers, F.S. 2008. Unravelling the Rhine. Response of a fluvial system to climate change, sea-level oscillation and glaciation. PhD Thesis, Vrije Universiteit Amsterdam, 184 p.
Busschers, F.S., Weerts, H.J.T. 2003. Beschrijving lithostratigrafische eenheid. Nederlands Instituut voor Toegepaste Geowetenschappen TNO. Utrecht.
Cameron, T.D.J., Schüttenhelm, R.T.E., Laban, C. 1989. Middle and Upper Pleistocene and Holocene stratigraphy in the southern North Sea between 52° and 54° N, 2° to 4° E. In: Henriet, J.P. De Moor, G. (eds.): The Quaternary and Tertiary geology of the Southern Bight, North Sea. Brussels, Belgian Geological Survey, 119-135.
Cite as
TNO-GDN ([YEAR]). Ockenburg Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/ockenburg-member.