The BGS Lexicon of Named Rock Units — Result Details

Upper Plompton Grit

Computer Code: UPG Preferred Map Code: UPG
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: 11-40m
Geographical Limits: West of Harrogate 62 Sheet, south onto Leeds (70) Sheet.
Parent Unit: Hebden Formation (HEBD)
Previous Name(s): Upper Plompton Grit Formation (-3108)
Alternative Name(s): Upper Brimham Grit
Upper Plumpton Grit
Stratotypes:
Type Area  Natural rock crags at Plompton Rocks, Plompton Park near Knaresborough. Cooper, A H and Burgess, I C, 1993. 
Type Section  Farnham (British Geological Survey) Borehole SE35NE/27, 159-171m depth. Burgess, I C and Cooper, A H, 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, pp.12-17. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E062 E070