The BGS Lexicon of Named Rock Units — Result Details
Buchan Gravels Formation
| Computer Code: | BUG | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Miocene Epoch (NM) — Quaternary Period (Q) | ||
| Lithological Description: | Well rounded gravel and cobble gravel comprising white quartzite, vein quartz and flint, in white micaceous silty sand matrix or in a white sandy kaolinitic clay matrix. Residual beach and river gravels forming broad ridges and plateaux up to 140 m above OD (McMillan and Merritt, 1980; Merritt et al., 2003). Miocene-Quaternary. | ||
| Definition of Lower Boundary: | Unconformable on Neoproterozoic rocks, or on the Moreseat Sandstone Formation. | ||
| Definition of Upper Boundary: | Overlain unconformably by till or head, or at the surface. | ||
| Thickness: | Up to 25 m or more. | ||
| Geographical Limits: | Northeast Scotland. | ||
| Parent Unit: | Residual Deposits Group (RESID) | ||
| Previous Name(s): | Buchan Gravels Group [Obsolete Name and Code: Use BUG]
(-3253)
Buchan Beds [Obsolete Name and Code: Use BUG] (BUCB) Pliocene gravels [Obsolete Name and Code: Use BUG] (-2648) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Buchan Ridge, 11 km southwest of Peterhead, comprising Moss of Auquharney, Moss of Cruden, Corse of Balloch, Hill of Aldie (and possibly, Den of Boddam). Flett and Read, 1921. | ||
| Reference(s): | |||
| Flett, J S, and Read, H H. 1921. Tertiary gravels of the Buchan district of Aberdeenshire. Geological Magazine, Vol. 58, 215-225. | |||
| McMillan, A A, and Merritt, J W. 1980. A reappraisal of the Tertiary deposits of Buchan, Grampian Region. Report of the Institute of Geological Sciences, No. 80/1, p. 18-25. | |||
| Merritt, J W, Auton, C A, Connell, E R, Hall, A M and Peacock, J D. 2003. The Cainozoic geology and landscape evolution of north-east Scotland. Memoir of the British Geological Survey, Sheets 66E, 67, 76E, 77, 86E, 87W, 87E, 95, 96W, 96E and 97 (Scotland) | |||
| 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. | |||
| Waters, C N, Gillespie, M R, Smith, K, Auton, C A, Floyd, J D, Leslie, A G, Millward, D, Mitchell, W I, McMillan, A A, Stone, P, Barron, A J M, Dean, M T, Hopson, P M, Krabbendam, M, Browne, M A E, Stephenson, D, Akhurst, M C, and Barnes, R P. 2007. Stratigraphical Chart of the United Kingdom: Northern Britain. (British Geological Survey.) | |||
| Stoker, M S, McMillan, A A and Waters, C N. Quaternary Stratigraphical Chart: Northern Britain. British Geological Survey, 1 poster. | |||
| Hall, A M (Editor). 1984. Buchan Field Guide. Quaternary Research Association, Cambridge, 120pp. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S086 S087 S087 | |||