Elleboog Formation CFEB


Premise This formation comprises the clastics of the Farne Group that do not contain carbonate intercalations. In the United Kingdom, this interval has been subdivided into two formations: the Fell Sandstone Formation and the Scremerston Formation (Cameron (1993) ). The proposed Elleboog Formation, also mentioned in that publication, is now restricted to the clastic interval.
Derivatio nominis Named after the Dutch name for the Elbow Spit, a shoal in the central North Sea.
Type section Location map See figure (pdf)
  Well E06-01 (pdf)
  Location N 54°46’09.6
E 03°42’09.9
  Depth 2356 to 2547 m
  Length 191 m along hole
Additional section Location map See figure (pdf)
  Well E02-01 (pdf)
  Location N 54°58’04.3
E 03°34’57.2
  Depth 2134 to 2318 m
  Length 184 m along hole
Definition Sequence of alternating claystones, sandstones and minor amounts of coal, with a few calcareous or dolomitic intercalations. The amount of sandstone tends to increase westward.
Upper Boundary the upper boundary at the base of the lowermost limestone bed of the overlying Yoredale Formation.
Lower Boundary The lower boundary has been placed at the top of the uppermost carbonate bed of the underlying Cementstone Formation
Distribution The formation occurs in the Elbow Spit High area and on the Dutch part of the Mid North Sea High.
Age An early to middle Visean (Chadian to Asbian) age has been determined for this formation in the Netherlands. Of the encountered, palynological marker species Pero-trilites tesselatus and Murospora parthenopia are restricted to this time interval. Crassispora aculeata extends into the early Brigantian.
Depositional Setting The formation was deposited in a paralic and fluvial setting. In places a fluvial regime prevailed, resulting in thick succession of stacked channel fills.
References See References Upper Carboniferous

Van Adrichem Boogaert, H.A. & Kouwe, W.F.P., 1993-1997. [Stratigraphic unit]. In: Stratigraphic Nomenclature of the Netherlands.
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