| Computer Code: |
PKC |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Paleocene Epoch (GP)
— Lutetian Age (GL) |
| Lithological Description: |
Medium grey to greyish brown and brown, unbedded, plastic 'ball clay' overlain by lignitic, commonly laminated, clay. |
| Definition of Lower Boundary: |
Sharp channelled contact with underlying Parkstone Sand. |
| Definition of Upper Boundary: |
Erosional channelled contact with overlying Branksome Sand Formation that may in places cut out the Parkstone Clay Member. |
| Thickness: |
0-22m. |
| Geographical Limits: |
East Dorset and West Hampshire. |
| Parent Unit: |
Poole Formation (POOL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Christchurch Borehole SZ29SW12 between depths of 95.49 and 110.60m. |
| Type Area |
Former clay pits at Parkstone, Poole. Most of the pits have now been filled, but poor exposures still remain e.g. SZ 0365 9097; SZ 0369 9133. Bristow et al. (1991). |
| Reference(s): |
| Edwards, R A and Freshney, E C. 1987. Lithostratigraphical classification of the Hampshire Basin Palaeogene Deposits (Reading Formation to Headon Formation) Tertiary Research, Vol.8, 43-73. |
| 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. |
| Curry, D, Adams, C G, Boulter, M C, Dilley, F C, Eames, F E, Funnell, B M, and Wells, M K. 1978. A Correlation of Tertiary rocks in the British Isles. Geological Society of London Special Publication, Vol. 12, 1-72. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E329
E343
|
