| Computer Code: |
LEY |
Preferred Map Code: |
LEY |
| Status Code: |
Full |
| Age range: |
Anglian Stage (QA)
— Wolstonian Stage (QO) |
| Lithological Description: |
Gravel, subrounded to rounded, up to boulder sized clasts, over 90% felsite. |
| Definition of Lower Boundary: |
Unconformable on diamicton of the Leys Till Formation. |
| Definition of Upper Boundary: |
Unconformable with rubbly felsitic "head" deposit, named as the "Kirkhill Gelifluctate I" by Hall and Connell, 1986. |
| Thickness: |
c. 5 m. |
| Geographical Limits: |
Buchan, northeast Scotland. Mapped on Sheet 87W (Ellon). |
| Parent Unit: |
East Grampian (Albion) Glacigenic Subgroup (EGAG)
|
| Previous Name(s): |
Leys Lower Gravels of Kirkhill Sequence [Obsolete Name and Code: Use LEY]
(-4157)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Sections in Leys Sand and Gravel Pit. Hall and Connell, 1991. |
| Reference(s): |
| Connell, E R, and Hall, A M. 1987. The periglacial history of Buchan, Scotland. 277-285 in Periglacial Processes and Landforms in Britain and Ireland. Boardman, J (editor). (Cambridge: Cambridge University Press.) |
| Hall, A M, 1984b. Oldmill. 106 in Hall, A M (Editor), Buchan Field Guide. Quaternary Research Association, Cambridge. |
| Hall, A M and Jarvis, J. 1993. Kirkhill. 225-230 in Gordon, J E and Sutherland, D G (editors), Quaternary of Scotland. Geological Conservation Review Series: 6. (London: Chapman and Hall.) |
| Connell, E R. 1984. Sandhole (Denhead) Sand Pit. 83-86 in Buchan Field Guide. Hall, A M (editor). (Cambridge: Quaternary Research Association.) |
| Connell, E R, Edwards, K J, and Hall, A M. 1982. Evidence for two pre-Flandrian palaeosols in Buchan, Scotland. Nature, 297, 570-572. |
| Connell, E R, Hall, A M, and Romans, J C C. 1984. Kirkhill Quarry. 57-81 in Buchan Field Guide. Hall, A M (editor). (Cambridge: Quaternary Research Association.) |
| Hall, A M (Editor). 1984. Buchan Field Guide. Quaternary Research Association, Cambridge, 120pp. |
| Hall, A M and Connell, E R. 1986. A preliminary report on the Quaternary sediments at Leys Gravel Pit at Buchan, Scotland. Quaternary Newsletter, 48, 17-28. |
| Hall, A M and Connell, E R. 1991. The glacial deposits of Buchan, northeast Scotland. 129-136 in Ehlers, J, Gibbard, P L and Rose, J (editors), Glacial Deposits in Great Britain and Ireland. (Rotterdam: Balkema.) |
| 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. |
| Connell, E R, and Hall, A M. 2000. Kirkhill and Leys quarries. 65-67 in The Quaternary of the Banffshire Coast and Buchan: Field Guide. Merritt, J W, Connell, E R, and Bridgland, D R (editors). (London: Quaternary Research Association.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S087
|
