The BGS Lexicon of Named Rock Units — Result Details
Banffshire Coast and Caithness Glacigenic Subgroup
Computer Code: | BCD | Preferred Map Code: | BC |
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Status Code: | Full | ||
Age range: | Devensian Stage (QD) — Devensian Stage (QD) | ||
Lithological Description: | Suite of reddish to dark blue-grey clayey diamictons containing clasts and rafts of Mesozoic rocks derived from the bed of the Moray Firth, also pre-Late Devensian glaciomarine shelly muds. | ||
Definition of Lower Boundary: | Unconformable on bedrock or units of the Banffshire Coast and Caithness (Albion) Glacigenic Subgroup. | ||
Definition of Upper Boundary: | Extends to the surface or buried by late glacial to postglacial deposits. | ||
Thickness: | 30 m or more. | ||
Geographical Limits: | Southern coast of Moray Firth from Elgin to Peterhead, Caithness and Orkney. | ||
Parent Unit: | Caledonia Glacigenic Group (CALI) | ||
Previous Name(s): | Banffshire Coast Drift Group [Obsolete Name and Code: Use BCD]
(-3193)
Coastal deposits and glaciofluvial deposits (-4445) Blue-Grey Series (-673) Banffshire Coast Glacigenic Group [Obsolete Name and Code: Use BCD, BCAG] (-1971) Lower or South Easterly Drift [Obsolete Name and Code: Use BCD, CRTI] (-43) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | Southern coast of Moray Firth from Elgin to Peterhead, Caithness and Orkney. See type sections of constituent formations. | ||
Reference(s): | |||
Read, H H, 1923. Geology of the country around Banff, Huntly and Turriff, Lower Banffshire and north-west Aberdeenshire. Memoir of the Geological Survey, Scotland Sheets 86 and 96 (Scotland). | |||
Synge, F M. 1956. The glaciation of north east Scotland. Scottish Geographical Magazine, Vol.72, 129-143. | |||
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) | |||
British Geological Survey. 1992. 1:50 000 Geological Map of Scotland: Sheet 87E (Peterhead). (This map has a summary of the geology). | |||
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. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S087 S096 S096 S087 S097 |