The BGS Lexicon of Named Rock Units — Result Details
Straiton Subgroup
Computer Code: | STNG | Preferred Map Code: | STNG |
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Status Code: | Full | ||
Age range: | Wenlock Epoch (SW) — Wenlock Epoch (SW) | ||
Lithological Description: | Flaggy sandstones, gritty sandstones and conglomerates. | ||
Definition of Lower Boundary: | Conformable junction with the Blair Shale Formation, the topmost unit of the underlying Dailly Subgroup. | ||
Definition of Upper Boundary: | Unconformably overlain by the Inverclyde Group. | ||
Thickness: | About 270 m thick. | ||
Geographical Limits: | The Girvan area of south-west Scotland. | ||
Parent Unit: | Girvan Group (GVN) | ||
Previous Name(s): | Dailly Group [Obsolete Name And Code: Use DAI Or STNG Depending On Age]
(DLY)
Penwhapple North Group [Obsolete Name And Code: Use DAI And STNG Subgroups] (PNO) Straiton Group [Obsolete Name and Code: Use STNG] (*108) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | Main outcrop between Girvan and Straiton. | ||
Reference(s): | |||
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. | |||
Floyd, J D and Williams, M. 2003. A revised correlation of Silurian rocks in the Girvan district, SW Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 93 (for 2002), 383-92. | |||
Cocks, L R M and Toghill, P, 1973. The biostratigraphy of the Silurian rocks of the Girvan District, Scotland. Journal of the Geological Society of London, Vol. 129, 209-243. | |||
Cameron, I B, Stone, P and Smellie, J, 1986. Geology of the Country around Girvan. Explanation of 1:50 000 sheet. British Geological Survey, Sheet 7, Scotland. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
none recorded or not applicable |