The BGS Lexicon of Named Rock Units — Result Details

Arun Terrace Deposits, 2 Member

Computer Code: AR2 Preferred Map Code: symb
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Sand, sandy gravel, and 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: Generally up to 4m, but locally up to 10m.
Geographical Limits: Valley of the River Arun, Haslemere, Horsham, Chichester district, Sussex.
Parent Unit: Arun Formation (ARUN)
Previous Name(s): RIVER TERRACE DEPOSITS, 2 (ARUN) (AR2)
Type Area  Valley of River Arun, Sussex. 
Aldiss, D T. 2002. Geology of the Chichester and Bognor district. Sheet description of the British Geological Survey, 1:50 000 Series Sheet 317 and 332 (England and Wales). 
Thurrell, R G, Worssam, B C and Edmonds, E A. 1968. Geology of the country around Haslemere. Memoir of the British Geological Survey, sheet 301 (England and Wales). 
Gallois, R W and Worssam, B C. 1993. Geology of the country around Horsham: Memoir for 1:50 000 Geological Sheet 302 (England and Wales). 
Bowen, D Q (Editor). 1999. A revised correlation of Quaternary deposits in the British Isles. Geological Society of London Special Report, No.23. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable