The BGS Lexicon of Named Rock Units — Result Details
Reservoir Formation
Computer Code: | RSVR | Preferred Map Code: | RSVR |
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Status Code: | Full | ||
Age range: | Telychian Age (ST) — Telychian Age (ST) | ||
Lithological Description: | Mudstones and shales interbedded with siltstones and fine-grained sandstones. | ||
Definition of Lower Boundary: | Not exposed. | ||
Definition of Upper Boundary: | Conformable below Deerhope Formation: at top of highest sandy siltstone bed showing internal structures typical of Bouma sequence. | ||
Thickness: | At least 1080m in North Esk Inlier. c.800m exposed in Bavelaw Castle Inlier. | ||
Geographical Limits: | Pentland Hills, Midland Valley. | ||
Parent Unit: | North Esk Group (NSK) | ||
Previous Name(s): | Reservoir Formation [Obsolete Code: See RSVR]
(RVF)
Reservoir Beds [Obsolete Name And Code: See RSVR] (RVRB) Reservoir Formation (RSVR) Bed A, excluding upper part [Obsolete Name and Code: Use RSVR] (-1150) Beds at A, A1 and lower part of B [Obsolete Name and Code: Use RSVR] (-1797) Reservoir Formation (RSVR) Bed A and lower part of Bed B [Obsolete Name and Code: Use RSVR] (-4306) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Reference Section | Gutterford Burn, from entry into North Esk Reservoir to 1200m upstream. | ||
Type Section | North Esk River and Reservoir shore, North Esk Inlier, Pentland Hills. | ||
Reference Section | Cliff, 400m SW of W end of Loganlee Reservoir, Loganlee Inlier, Pentland Hills. | ||
Reference(s): | |||
Henderson, J and Brown, D J, 1870. On the Silurian rocks of the Pentland Hills. Transactions of the Edinburgh Geological Society, Vol.1, 266-272. | |||
Howell, H H and Geikie, A, 1861. The Geology of the neighbourhood of Edinburgh (1st edition). Memoir of the Geological Survey, Scotland. | |||
Robertson, G, 1989. A palaeoenvironmental interpretation of the Silurian rocks in the Pentland Hills, near Edinburgh, Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol.80, 127-141. | |||
Bull, E. 1987. Upper Llandovery Dendroid Graptolites from the Pentland Hills, Scotland. Palaeontology, Vol. 30, Pt. 1, 17-20. | |||
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. | |||
Tipper, J C, 1976. The stratigraphy of the North Esk Inlier. Scottish Journal of Geology, Vol.12, Pt, 15-22. | |||
Robertson, G, 1986. North Esk Inlier. 174-185 in Lothian Geology. An Excursion Guide. McAdam, A D and Clarkson, E N K (editors). [Edinburgh: Scottish Academic Press.] | |||
Peach, B N and Horne, J. 1899. The Silurian Rocks of Britain, Volume 1. Scotland. Memoir of the Geological Survey of the United Kingdom. | |||
Mitchell, G H. 1962. The geology of the neighbourhood of Edinburgh. (Explanation of Sheet 32) Third Edition. (Reprinted 1980). Memoir of the Geological Survey of Great Britain (Scotland). | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S032 S032 |