Code
RBMH
Status
Formal (NAM & RGD 1980). Amended (Van Adrichem Boogaert & Kouwe 1994).
Lithologische beschrijving
Several stacked alternations of off-white to pink sandstones and red claystones. Arkosic sandstones without claystone intercalations in the southern Netherlands onshore and offshore.
Afzettingsmilieu
Lacustrine conditions, whereas clastic (fluvial) deposition was mainly confined to the basin margins.
Definitie ondergrens
Placed at the base of the first sandstone bed above the Detfurth Formation.
Definitie bovengrens
Placed at the base of the Upper Germanic Trias Group (Hardegsen Unconformity).
Dikte indicatie
Up to 200 m in the Ems Low and Dutch Central Graben. Up to 70 m in the Broad Fourteens Basin, the West Netherlands Basin and the Roer Valley Graben.
Geografische verbreiding
Regionale correlatie
UK: Bunter Sandstone Formation; GER: Hardegsen Formation; BEL: Hardegsen Formation.
Ouderdom
Olenekian.
Holostratotype
Well:
Depth (thickness) AH:
3970 - 4009 m (39 m)
Parastratotype
Well:
Depth (thickness) AH:
2736 - 2748 m (12 m)
Hypostratotype
Well:
Depth (thickness) AH:
1387 - 1401 m (14 m)
Hypostratotype
Depth (thickness) AH:
2535 - 2553 m (18 m)
Oorsprong naam
Name derived from the German stratigraphic nomenclature.
Vorige benaming(en)
None.
Gereviewed door (datum)
Johan ten Veen (2017).
Referenties
NAM & RGD 1980. Stratigraphic nomenclature of The Netherlands. Verhandelingen van het Koninklijk Nederlands Geologisch Mijnbouwkundig Genootschap 32, 77 p.
Van Adrichem Boogaert, H.A. & Kouwe, W.F.P. 1994. Stratigraphic nomenclature of The Netherlands; revision and update by RGD and NOGEPA, Section E, Triassic. Mededelingen Rijks Geologische Dienst, 50, 1-28.
Cite as
TNO-GDN ([YEAR]). Hardegsen Formation. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from http://acc.dinoloket.nl/en/stratigraphic-nomenclature/hardegsen-formation.