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 |