The BGS Lexicon of Named Rock Units — Result Details
Spynie Clay Member
Computer Code: | SPYCL | Preferred Map Code: | SC |
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Status Code: | Full | ||
Age range: | Devensian Stage (QD) — Devensian Stage (QD) | ||
Lithological Description: | A dark bluish grey to yellowish-red, commonly laminated clay containing well-dispersed clasts and lenses of sand, gravel and diamicton, and low diversity, high-Arctic microfossils, indicative of a glaciomarine environment. | ||
Definition of Lower Boundary: | A sharp, unconformable, undulating contact with underlying deposits of either glaciofluvial sand and gravel, or brown, gravelly clayey sand, and gravelly sandy clay diamictons, interpreted as till. | ||
Definition of Upper Boundary: | A sharp, planar, erosional, unconformable contact with late-glacial raised beach deposits, or at the present ground surface. | ||
Thickness: | To 20m | ||
Geographical Limits: | Sheet 95 (Elgin). | ||
Parent Unit: | Errol Clay Formation (ERRCL) | ||
Previous Name(s): | Late-Glacial Raised Beach And Estuarine Alluvium
(-539)
Spynie Clay Formation [Obsolete Name and Code: Use SPYCL] (-1840) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Reference Section | BGS-registered borehole No. 4, cited in Peacock et al. 1966, at 2.1 to 11.7m depth. Peacock et al. 1966. | ||
Type Section | Spynie claypit. Buchan, 1935; Eyles et al. 1946. | ||
Reference(s): | |||
Buchan, A. 1935. Investigations of the glacial and post-glacial deposits of Loch Spynie. Unpublished PhD thesis, University of Aberdeen. | |||
Peacock, J D, Berridge, N G, Harris, A L, May, F. 1968. The geology of the Elgin District. Memoir of the Geological Survey of Scotland. Sheets 86 and 96 (Scotland). (Edinburgh: HMSO). | |||
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) | |||
Eyles, V A, Anderson, J G C, Bonnell, D G R and Butterworth, A R I C. 1946. Brick clays of north-east Scotland. Part I - Description of occurrences; Part II - Report on analyses and physical tests. Geological Survey of Great Britain: Wartime Pamphlet, No.47. | |||
Peacock, J D. 1999. The pre-Windermere Interstadial (late Devensian) raised marine strata of eastern Scotland and their macrofauna: a review. Quaternary Science Reviews, Vol.18, 1655-1679. | |||
Merritt, J W, Connell, E R and Bridgland, D R (editors). 2000. The Quaternary of the Banffshire Coast and Buchan; Field Guide. (London: Quaternary Research Association.) | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S095 |