The BGS Lexicon of Named Rock Units — Result Details
Saugh Hill Grits Formation
Computer Code: | SHSG | Preferred Map Code: | SHSG |
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Status Code: | Full | ||
Age range: | Llandovery Epoch (SL) — Llandovery Epoch (SL) | ||
Lithological Description: | Grey-green, thickly bedded, gritty sandstone and shale. | ||
Definition of Lower Boundary: | Conformably overlies the Tralorg Shale Formation. | ||
Definition of Upper Boundary: | Conformably overlain by the Pencleuch Shale Formation. | ||
Thickness: | 180 - 365 m thick. | ||
Geographical Limits: | Girvan area, south-west Scotland. | ||
Parent Unit: | Newlands Subgroup (NEWL) | ||
Previous Name(s): | Saugh Hill Formation [Obsolete Name And Code: Use SHSG]
(SHLF)
Saugh Hill Grits [Obsolete Name And Code: Use SHSG] (SHLG) Saugh Hill Sandstones and Grits [Obsolete Name and Code: Use SHSG] (-4324) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Penwhapple Burn | ||
Reference(s): | |||
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. | |||
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. | |||
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. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S008 |