The BGS Lexicon of Named Rock Units — Result Details

West Park Farm Member

Computer Code: WPF Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Ypresian Age (GY) — Ypresian Age (GY)
Lithological Description: Basal glauconitic sand or sandy clay, locally with shells and flint pebbles, overlain by mottled red, orange and grey silty clay. Locally developed beds of coarse-grained cross-bedded lignitic sand.
Definition of Lower Boundary: Glauconitic basal bed overlying Chalk at an erosive contact.
Definition of Upper Boundary: Sharp contact between red-stained clays and fine-grained pebbly sand of the overlying Warmwell Farm Sand.
Thickness: 8-30m.
Geographical Limits: Wareham Basin, East Dorset.
Parent Unit: London Clay Formation (LC)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Reading Formation
Stratotypes:
Reference Section  Knoll Manor Clay Pit where up to 2m of mottled red and grey clay are seen beneath a basal pebble bed of the London Clay Formation. Bristow et al. (1991). 
Reference(s):
King, C. In press. A correlation of Tertiary rocks in the British Isle and adjacent areas. Special Report of the Geological Society of London, No.12. 
Bristow, C R, Freshney, E C and Penn, I E. 1991. Geology of the country around Bournemouth. Memoir for 1:50 000 geological sheet 329 (England and Wales). HMSO, London. 
Barton, C M, Hopson, P M, Newell, A J, and Royse, K A. 2003. Geology of the Ringwood district - a brief explanation of the geological map. Sheet Explanation of the British Geological Survey, Sheet 314 (England and Wales). 
British Geological Survey. 2004. Ringwood. Sheet 314 (England and Wales). Solid and Drift Geology. (Keyworth, Nottingham: British Geological Survey) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E328 E329 E341 E342 E343