| Computer Code: |
NMTI |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Dimlington Stadial (QDD)
— Dimlington Stadial (QDD) |
| Lithological Description: |
Dark red sandy, silty clayey diamicton containing clasts of gravel to cobble grade (1-10 cm). Semi-consolidated, matrix-supported. Clasts are subrounded to subangular consisting of sandstone, quartz and a hard, red mudstone, and have no apparent preferred orientation. |
| Definition of Lower Boundary: |
Base of till not seen at type section, but probably rests on bedrock. |
| Definition of Upper Boundary: |
At surface. |
| Thickness: |
Up to 4 m. |
| Geographical Limits: |
Merse of Berwickshire (BGS 1:50 000 Sheet S26W, Coldstream). |
| Parent Unit: |
Borders Glacigenic Subgroup (BDRGL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Top of bank on the north side of the River Tweed [NT 0054 7821], north of the village of Norham, Berwickshire. |
| Reference Section |
Pressen Farm [NT 836 359], Northumberland. |
| 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. |
| Carruthers, R G, Burnett, G A, and Anderson, W. 1932. The geology of the Cheviot Hills. Memoir of the Geological Survey of Great Britain, Sheets 3 and 5 (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
