Code
NUBRAAMI
Status
Formal (Westerhoff 2003).
Lithological description
Dark green clay, sandy, and sand, fining upward. Glauconitic, fossiliferous (rich Miocene fauna), shelly lag forms base of Aalten Member (Breda Formation; Van den Bosch et al. 1975). Horizon with phosphorite concretions near the top.
Depositional setting
Warm shallow marine.
Definition of lower boundary
Unconformable contact with marine clay (Rupel Formation).
Definition of upper boundary
Sharp unconformable contact with fluvioglacial gravel (Drente Formation, Schaarsbergen Member). Diffuse transition into shallow-marine clayey sand (Stemerdink Bed, Breda Formation).
Thickness indication
Up to about 5 m.
Geographical distribution
Very local in the eastern Netherlands.
Regional correlation
North Sea: not present; UK: not present; GER: ?; BEL: not present.
Age
middle Miocene.
Type section
Well:
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Origin of name
Named after the hamlet of Miste in the eastern Netherlands.
Previous name(s)
None.
Reviewed by (date)
Sytze van Heteren (2019).
References
Van den Bosch, M., Cadée, M.C., Janssen, A.W. 1975. Lithostratigraphical and biostratigraphical subdivision of Tertiary deposits (Oligocene-Pliocene) in the Winterswijk-Almelo region (eastern part of The Netherlands). Scripta Geologica 29, 1-167.
Westerhoff, W.E. 2003. Beschrijving lithostratigrafische eenheid. Nederlands Instituut voor Toegepaste Geowetenschappen TNO. Utrecht.
Cite as
TNO-GDN ([YEAR]). Miste Bed. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://acc.dinoloket.nl/en/stratigraphic-nomenclature/miste-bed.