The BGS Lexicon of Named Rock Units — Result Details

Sussex Rother Terrace Deposits, Facet 3a

Computer Code: RS3A Preferred Map Code: symb
Status Code: Full
Age range: Wolstonian Stage (QO) — Wolstonian Stage (QO)
Lithological Description: Sand and sandy gravel, locally clayey. Gravel component is predominantly subangular flint with subordinate debris of chert, polished quartz grains, and larger fragments of pebbly ferruginous sandstone derived from Lower Cretaceous sequences to the north.
Definition of Lower Boundary: Unconformably overlies Lower Cretaceous bedrock.
Definition of Upper Boundary: Ground surface.
Thickness: Normally up to 4m, but locally up to 10m.
Geographical Limits: Chichester and Bognor district.
Parent Unit: Sussex Rother Terrace Deposits, 3 Member (RS3)
Previous Name(s): River Terrace Deposits, 3a (Rother, Sussex) (-3649)
Alternative Name(s): none recorded or not applicable
Type Area  Valley of the River Rother, Sussex. Aldiss, 2002. 
Aldiss, D T. 2002. Geology of the Chichester and Bognor district. Sheet Explanation of the British Geological Survey, 1:50 000 Series Sheet 317 and Sheet 332 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E317 E332