Code
KNGLG
Status
Formal (NAM & RGD 1980).
Lithological description
Alternation of greenish grey, very glauconitic, very fine- to fine-grained, argillaceous sandstones, locally silt-stones with calcareous or sideritic cement, and olive-grey claystones. In addition, the member is characterised by its intensely bioturbated nature.
Depositional setting
Middle- to outer-neritic setting. Abundant glauconite indicates intense wave- and/or storm-winnowing prior to deposition.
Definition of lower boundary
The Lower Holland Marl Member underlies the Member.
Definition of upper boundary
The Middle Holland Clay-stone Member overlies the Member.
Thickness indication
Up to 130 m.
Geographical distribution
Regional correlation
UK: Carrack Formation; GER: ~Minden-Braunschweig-Gruppe; BEL: Hainaut Group.
Age
Albian.
Holostratotype
Well:
Depth (thickness) AH:
1358 - 1408 m (50 m)
Hypostratotype
Well:
Depth (thickness) AH:
1655 - 1824 m (169 m)
Origin of name
Named after the Dutch province of Zuid-Holland.
Previous name(s)
None.
Reviewed by (date)
Sander Houben (2017).
References
NAM & RGD 1980. Stratigraphic nomenclature of The Netherlands. Verhandelingen van het Koninklijk Nederlands Geologisch Mijnbouwkundig Genootschap 32, 77 p.
Cite as
TNO-GDN ([YEAR]). Holland Greensand Member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/holland-greensand-member.