| 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): |
| 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.) |
| 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. |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E328
E329
E341
E342
E343
|
