| Aldiss, D T. 2014. The stratigraphical framework for the Palaeogene successions of the London Basin, UK. Nottingham, UK, British geological Survey. (OR/14/008)
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This list of the units named Lithostratigraphical units used by BGS is in alphabetical order of Lexicon Codes (The BGS Lexicon of named rock units). Names in italic script are of informal units of member status.
| 'Lexicon' Code
|
'Name 'of unit
|
| BGP
|
Bagshot Pebble Bed
|
| BGS
|
Bagshot Formation
|
| BLB
|
Blackheath Member
|
| BRB
|
Bracklesham Group
|
| CLGB
|
Claygate Member
|
| CMBS
|
Camberley Sand Formation
|
| HWH
|
Harwich Formation
|
| LBED
|
Laminated' Beds
|
| LC
|
London Clay Formation
|
| LIST
|
Lista Formation
|
| LMBE
|
Lambeth Group
|
| LMCL
|
Lower' Mottled Clay
|
| LSCL
|
Lower' Shelly Clay
|
| MONT
|
Montrose Group
|
| OC
|
Ormesby Clay Member
|
| OH
|
Oldhaven Member
|
| RB
|
Reading Formation
|
| SAHP
|
St Ann's Hill Pebble Bed
|
| STHP
|
Stanners Hill Pebble Bed
|
| SWCL
|
Swinley Clay Member
|
| TAB
|
Thanet Formation
|
| THAM
|
Thames Group
|
| UMCL
|
Upper' Mottled Clay
|
| UPR
|
Upnor Formation
|
| UPSCL
|
Upper' Shelly Clay
|
| WAM
|
Walton Member
|
| WIDS
|
Windlesham Formation
|
| WL
|
Woolwich Formation
|