| 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 [Obsolete Name and Code: Use CRN, CWE, SHG]
(-166)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Stonehaven, Grampians, Scotland. |
| Type Section |
Ruthery Head, North of Downie Point. |
| Type Section |
Foreshore, Stonehaven Bay. |
| Reference(s): |
| 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. |
| Campbell, R, 1912. Cambrian, Downtonian and Lower Old Red Sandstone rocks near Stonehaven. Proceedings of the Geologists' Association, Vol.23, 296. |
| Browne, M A E, Smith, R A, and Aitken, A M. 2002. Stratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. British Geological Survey Research Report RR/01/04. 67 pp. |
| 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. |
| Armstrong, M, Donovan, R M, and Paterson, I B. 1978. Angus and Kincardine. In A field guide to selected outcrop areas of the Devonian of Scotland, the Welsh Borderland and South Wales. Friend, P F, and Williams, B P J (editors). 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. |
| 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. |
| 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. |
| 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. |
| 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 |
| 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.) |
| 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. |
| Mykura, W, 1983. Old Red Sandstone. "In" Craig, G Y. Geology of Scotland, 2nd. edition, Edinburgh. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S067
S066
|
