| Computer Code: |
HOLD |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Dimlington Stadial (QDD)
— Dimlington Stadial (QDD) |
| Lithological Description: |
Diamicton, sand, gravel, silt and clay. |
| Definition of Lower Boundary: |
Overlies Chalk bedrock at Holderness. Till of the Holkham Till Member overlies raised beach deposits of the Morston Formation in north Norfolk. |
| Definition of Upper Boundary: |
Overlain unconformably by Holocene marine and organic deposits. |
| Thickness: |
About 70 m thick in type area of Holderness. |
| Geographical Limits: |
Holderness, east Yorkshire extending southwards to north Norfolk. |
| Parent Unit: |
North Sea Coast Glacigenic Subgroup (NSG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Dimlington Cliff [TA 376 237] (Catt and Penny, 1966; Madgett and Catt, 1978). The type locality for the Late Devensian Dimlington Stadial. |
| Reference(s): |
| 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. |
| Bowen, D Q. 1999. A revised correlation of Quaternary deposits in the British Isles. Geological Society Special Report, No. 23. |
| Catt, J A, and Penny, L F. 1966. The Pleistocene deposits of Holderness, East Yorkshire. Proceedings of the Yorkshire Geological Society, Vol. 35, 375-420. |
| Moorlock, B S P, Hamblin, R J O, Booth, S J and Woods, M A. 2002. Geology of the Mundesley and North Walsham district - a brief explanation of the geological map. Sheet explanation of the British Geological Survey. 1:50 000 Series Sheets 132 and 148 Mundesley and North Walsham (England and Wales). |
| Catt, J A. 2007. The Pleistocene glaciations of eastern Yorkshire. Proceedings of the Yorkshire Geological Society, Vol. 56, 177-207. |
| Madgett, P A, and Catt, J A. 1978. Petrography, stratigraphy and weathering of Late Pleistocene tills in East Yorkshire. Proceedings of the Yorkshire Geological Society, Vol. 42, 55-108. |
| Moorlock, B S P, Booth, S J, Hamblin, R J O, Pawley, S J, Smith, N J P, and Woods, M A. 2008. Geology of the Wells-next-the-Sea district. Sheet Explanation of the British Geological Survey, Sheet 130 (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
