The BGS Lexicon of Named Rock Units — Result Details

Stonehaven Group

Computer Code: SHG Preferred Map Code: STHN
Status Code: Full
Age range: Wenlock Epoch (SW) — Ludlow Epoch (SU)
Lithological Description: Fine- to medium-grained lithic sandstone interbedded with minor amounts of conglomerate and siltstone.
Definition of Lower Boundary: Angular unconformity on meta-igneous and metasedimentary rocks of the Highland Border Complex.
Definition of Upper Boundary: Base of Downie Point Conglomerate Member (Dunnothar Castle Conglomerate Formation), where thickly-bedded or massive conglomerate overlies planar bedded or cross-bedded pebbly sandstone of the Carron Sandstone Formation.
Thickness: Variable, up to maximum of 1800m. Presumed to lap onto basement (Highland Border Complex and possibly Dalradian) and to be overlapped by younger groups.
Geographical Limits: North-eastern Midland Valley, Stonehaven area.
Parent Unit: Not Applicable (-)
Previous Name(s): Stonehaven Beds (-166)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Ruthery Head, North of Downie Point. 
Type Section  Foreshore, Stonehaven Bay. 
Type Area  Stonehaven, Grampians, Scotland. 
Reference(s):
Carroll, S, 1994. Geology of the Stonehaven District. 1:10 000 Sheets NO88NW, NO88NE, NO88SW and NO88SE. British Geological Survey Technical Report WA/94/19. 
Armstrong, M, Donovan, R M and Paterson, I B, 1978. Angus and Kincardine. In Friend, P F and Williams, B P J (editors), A field guide to selected outcrop areas of the Devonian of Scotland, the Welsh Borderland and South Wales. Palaeontological Association. 
Wellman, C, 1993. A land plant microfossil assemblage of Mid Silurian age from the Stonehaven Group, Scotland. Journal of Micropalaeontology, Vol.12, 47-66. 
Campbell, R, 1912. Cambrian, Downtonian and Lower Old Red Sandstone rocks near Stonehaven. Proceedings of the Geologists' Association, Vol.23, 296. 
Marshall, J E A, 1991. Palynology of the Stonehaven Group, Scotland: Evidence for a mid-Silurian age and its geological implications. Geological Magazine, Vol.128 (3), p.283-286. 
Marshall, J E A, Haughton, P D W, and Hillier, S J. 1994. Vitrinite reflectivity and the structure and burial history of the Old Red Sandstone of the Midland Valley of Scotland. Journal of the Geological Society of London, Vol. 151, 425-438. 
Browne, M A E, Smith, R A and Aitken, A M. 2001. A lithostratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. Version 3. British Geological Survey Research Report RR/01/04. 
Robertson, J A, 1957. The habitat of the early vertebrates. Biological Reviews, Vol.32, p.156-187. 
Westoll, T S, 1945. A new cephalaspid fish from the Downtonian of Scotland.Transactions of the Royal Society of Edinburgh, Vol.61, p.341-357. 
Hickling, H G A, 1908. The Old Red Sandstone of Forfarshire. Geological Magazine (5), Vol.8, p.67. 
Mykura, W, 1983. Old Red Sandstone. "In" Craig, G Y. Geology of Scotland, 2nd. edition, Edinburgh. 
Lamont, A, 1952. Ecology and correlation of the Pentlandian - a new division of the Silurian System in Scotland. 27-32 in Faunal and floral facies and zonal correlation. Dighton-Thomas, H (editor). Report of the 18th Session of the International Geological Congress, Great Britain, 1948, Pt.10. 
Armstrong, M and Paterson, I B, 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No.70/12 
Campbell, R, 1911. Preliminary note on the geology of south-eastern Kincardineshire. Geological Magazine, Vol.8 (New series), 63-69. 
Campbell, R, 1913. The geology of south-eastern Kincardineshire. Transactions of the Royal Society of Edinburgh, Vol.48, pp.923-960. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S067 S066