The BGS Lexicon of Named Rock Units — Result Details
Upper Plompton Grit
Computer Code: | UPG | Preferred Map Code: | UPG |
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Status Code: | Full | ||
Age range: | Kinderscoutian Substage (CK) — Kinderscoutian Substage (CK) | ||
Lithological Description: | Sandstone, medium- and coarse-grained, quartzofeldspathic, pebbly in places. | ||
Definition of Lower Boundary: | Sharp erosive base on underlying mudstones recorded in Farnham (British Geological Survey) Borehole [SE35NE/27]. | ||
Definition of Upper Boundary: | Sharp top to sandstones conformably overlain by seatearth, very thin coal and then mudstone in the Farnham (British Geological Survey) Borehole. | ||
Thickness: | 11-40 m | ||
Geographical Limits: | West of Harrogate 62 Sheet, south onto Leeds (70) Sheet. | ||
Parent Unit: | Hebden Formation (HEBD) | ||
Previous Name(s): | Upper Plompton Grit Formation [Obsolete Name and Code: Use UPG]
(-3108)
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Alternative Name(s): | Upper Brimham Grit Upper Plumpton Grit |
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Stratotypes: | |||
Type Area | Natural rock crags at Plompton Rocks, Plompton Park near Knaresborough. Cooper and Burgess, 1993. | ||
Type Section | Farnham (British Geological Survey) Borehole SE35NE/27, 159-171 m depth. Burgess and Cooper, 1980. | ||
Reference(s): | |||
Fox-Strangways, 1908. The geology of the country north and east of Harrogate (2nd edition). Memoir of the Geological Survey (England & Wales). London HMSO. | |||
Hudson, R G S, 1938. The geology of the country around Harrogate. Proceedings of the Geologists' Association, Vol.49, 306-330. | |||
Cooper, A H and Burgess, I C. 1993. Geology of the country around Harrogate. Memoir for 1:50000 geological sheet 62 (England and Wales). London: HMSO for the British Geological Survey. | |||
Burgess, I C, and Cooper, A H. 1980. The Farnham (IGS) borehole near Knaresborough, North Yorkshire. Report of the Institute of Geological Sciences, No. 80/1, 12-17. | |||
Waters, C N, Waters, R A, Barclay, W J, and Davies, J R. 2009. Lithostratigraphical framework for Carboniferous successions of Southern Great Britain (Onshore). British Geological Survey Research Report, RR/09/01. 184pp. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E062 E070 |