Zuidwal Volcanic Formation

Code
XXZV
Status
Formal (NAM & RGD 1980). Amended (Perrot & Van der Poel 1987; Herngreen, Smit & Wong 1991; Van Adrichem Boogaert & Kouwe 1993).
Lithological description

Massive volcanic (lava) rocks and brecciated volcanic agglomerates. Trachyte, Phonolite, biotite pyroxenite, leucitite.

Depositional setting

Volcanic neck which forms part of a dome-like structure.

Definition of lower boundary

The base of the formation has not yet been penetrated.

Definition of upper boundary

Onlap of the Vlieland Sandstone Formation.

Thickness indication
Up to 1058 m (ZDW-01).
Geographical distribution
Regional correlation
UK: not present; GER: not present; BEL: not present.
Age
Oxfordian - Berriasian (Van Bergen & Sissingh 2007).
Holostratotype
Depth (thickness) AH:
1944 - 3002 m (1058m)
Origin of name
Named after the Zuidwal gas discovery in the Dutch Waddenzee by Petroland.
Previous name(s)
None.
Reviewed by (date)
Sander Houben (2017).
References
Herngreen, G.F.W., Smit, R. & Wong, Th.E. 1991. Stratigraphy and tectonics of the Vlieland basin, The Netherlands. Special Publication of the European Association of Petroleum Geoscientists, Berlin, 175-192.
NAM & RGD 1980. Stratigraphic nomenclature of The Netherlands. Verhandelingen van het Koninklijk Nederlands Geologisch Mijnbouwkundig Genootschap 32, 77 p.
Perrot, J., Van der Poel, A.B. 1987. Zuidwal - a Neocomian gas field - In: Brooks, J. and Glennie, K.W. (eds.): Petroleum Geology of North West Europe, Graham and Trotman, London, 325-335
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..
Van Bergen, M.J., Sissingh, W. 2007. Magmatism in the Netherlands: expression of the north-west European rifting history. In: Geology of the Netherlands. Eds: Wong, Th.E., Batjes, D.A.J., De Jager, J., Royal Netherlands Academy of Arts and Sciences, 197–221.
Cite as
TNO-GDN ([YEAR]). Zuidwal Volcanic Formation. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://www.dinoloket.nl/en/stratigraphic-nomenclature/zuidwal-volcanic-formation.