The BGS Lexicon of Named Rock Units — Result Details

South Kent Catchments Subgroup

Computer Code: SKCAT Preferred Map Code: notEntered
Status Code: Full
Age range: Cromerian Stage (QC) — Holocene Epoch (QH)
Lithological Description: Floodplain alluvium comprises soft silts and clays, commonly with beds of peat and a basal bed of sand and gravel. River terrace deposits are largely sand and gravel. Peat is a minor component, and minor marine deposits are included where they are intercalated in dominantly fluvial formations.
Definition of Lower Boundary: Unconformable on Lower Cretaceous bedrock.
Definition of Upper Boundary: Ground surface.
Thickness: Up to 10 m.
Geographical Limits: The entire area covered by the catchments of south Kent.
Parent Unit: Britannia Catchments Group (BCAT)
Previous Name(s): Pegwell Formation [Obsolete Name and Code: Use PEGWL, SKCAT] (-4328)
Brook Formation [Obsolete Name and Code: Use SKCAT] (-3678)
Kentish Stour Formation [Duplicate Lexicon Entry: Use KEST] (-1824)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  River valleys of the catchments of the Kentish Stour and Kentish Rother and other rivers and their tributaries that flow southwards from the North Downs to the English Channel in Kent. Gibbard, in Bowen, 1999, 59-61. 
Reference(s):
McMillan, A A, Hamblin, R J O and Merritt, J W. 2005. An overview of the lithostratigraphical framework for the Quarternary and Neogene deposits of Great Britain (onshore). British Geological Survey Research Report RR/04/04. 
Gibbard, P L. 1999. South and southeast England. 59-61 in Bowen, D Q (Editor), A revised correlation of the Quaternary deposits in the British Isles. Geological Society of London Special Report No.23. 
McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. 
McMillan, A A. 2005. A provisional Quaternary and Neogene lithostratigraphical framework for Great Britain. (Netherlands: Journal of Geosciences), 84-2, 87-107. 
Stoker, M S, McMillan, A A and Waters, C N. Quaternary Stratigraphical Chart: Southern Britain. British Geological Survey, 1 poster. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E303 E304 E305 E320