The BGS Lexicon of Named Rock Units — Result Details

Bligh Bank Formation

Computer Code: BH Preferred Map Code: BH
Status Code: Pending Upgrade
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: Marine, medium- or fine- to medium-grained, clean, yellow-brown sands with characteristic Angulus pygmaeus bivalve assemblage.
Definition of Lower Boundary: Passage from brackish-marine to fully marine deposits (there is evidence of a basal stratigraphic hiatus in the Dutch sector).
Definition of Upper Boundary: Sea bed.
Thickness: Mostly <5 metres, but locally exceeds 25 metres in tidal sand ridges.
Geographical Limits: Not defined.
Parent Unit: Not Entered (?)
Previous Name(s): Young Sea Sands [Obsolete Name and Code: Use BH] (-1983)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Cameron, T D J, Laban, C, and Schuttenhelm, R T E. 1984. Solid Geology, Quaternary Geology and Sea-Bed Sediments of the United Kingdom and Continental Shelf. British Geological Survey, 1:250 000 series, 52N-02E Quaternary: Flemish Bight, Quaternary Geology, MR/85/38. (Southampton: Ordnance Survey for the British Geological Survey.) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable