Code
ORBUL
Status
Informal (Van Adrichem Boogaert & Kouwe 1994).
Lithologische beschrijving
White to reddish sandstones and red to red-brown and grey claystones and siltstones. Some disseminated anhydrite occurs.
Afzettingsmilieu
Fluvial setting.
Definitie ondergrens
Overlies the Patch Formation conformably.
Definitie bovengrens
Base of the Rhyolite Member.
Dikte indicatie
About 400 m.
Geografische verbreiding
Used where the Rhyolite Member is identified.
Regionale correlatie
UK: Buchan Formation; GER: unknown; BEL: unknown.
Ouderdom
Frasnian.
Type section
Well:
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Oorsprong naam
Named after the British offshore Buchan Field in the UK block 21/1, where these sandstones constitute the principal hydrocarbon reservoir.
Vorige benaming(en)
None.
Gereviewed door (datum)
Geert-Jan Vis (2019).
Referenties
Van Adrichem Boogaert, H.A. & Kouwe, W.F.P. 1994. Stratigraphic nomenclature of The Netherlands; revision and update by RGD and NOGEPA, Section B, Devonian and Dinantian. Mededelingen Rijks Geologische Dienst, 50, 1-20.
Cite as
TNO-GDN ([YEAR]). lower Buchan member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/lower-buchan-member.