The BGS Lexicon of Named Rock Units — Result Details
Glenkiln Shale Formation
Computer Code: | GBS | Preferred Map Code: | GBS |
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Status Code: | Full | ||
Age range: | Caradoc Series (O4) — Caradoc Series (O4) | ||
Lithological Description: | Black cherty hemipelagic mudstone and grey mudstone and siltstone. | ||
Definition of Lower Boundary: | Conformable on Crawford Group. | ||
Definition of Upper Boundary: | Conformably overlain by Lower Hartfell Shale Formation | ||
Thickness: | c.20m + | ||
Geographical Limits: | Southern Uplands of Scotland and Longford Down Inlier, Northern Ireland. | ||
Parent Unit: | Moffat Shale Group (MFS) | ||
Previous Name(s): | Glenkiln Black Shales [Obsolete Name and Code: Use GBS]
(-2815)
Glenkiln Shales [Obsolete Name and Code: Use GBS] (-4665) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Glenkiln Burn, near Ae Village, Dumfriesshire, Scotland. Rushton & Tunnicliff 1996 | ||
Reference(s): | |||
Lapworth, C, 1877. The Moffat Series. Quarterly Journal of the Geological Society of London, Vol.34, 240-346. | |||
Rushton, A W A and Tunnicliff, S P, 1995. Graptolites: Ordovician and Silurian biostratigraphy. In Stone, P. (Ed) Geology in south-west Scotland: an excursion guide. British Geological Society, Keyworth | |||
Floyd, J D, 2001. The Southern Uolands Terrane: a stratigraphical review. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol.91, 349-362. | |||
Floyd, J D, 1996. Lithostratigraphy of the Ordovician rocks in the Southern Uplands: Crawford Group, Moffat Shale Group, Leadhills Supergroup. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol.86, 153-165. | |||
Webb, B C, Rushton, A W A and White, D E. 1993. Moffatdale and the upper Ettrick valley. Description of the solid geology of parts of 1:25000 sheets NT10, 11, 20 and 21. Classical Areas of British Geology. (London: British Geological Survey, HMSO.) | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S017 S024 S015 S015 |