The BGS Lexicon of Named Rock Units — Result Details

Lower Plompton Grit

Computer Code: LPG Preferred Map Code: LPG
Status Code: Full
Age range: Kinderscoutian Substage (CK) — Kinderscoutian Substage (CK)
Lithological Description: Sandstone, medium- to very coarse-grained, locally pebbly, locally micaceous with mudstone partings.
Definition of Lower Boundary: Sharp gradation with underlying un-named mudstone sequence recorded in the Stockeld Borehole SE34NE/16, [SE 3803 4945].
Definition of Upper Boundary: Sharp contact with overlying mudstones which include the Eccup Marine Band. Recorded in Stockeld Borehole SE34NE/16.
Thickness: 20-45m
Geographical Limits: North of Leeds 70 Sheet and west of Harrogate 62 Sheet onto Pateley Bridge 61 Sheet.
Parent Unit: Millstone Grit Group [See Also MIGR] (MG)
Previous Name(s): Lower Plompton Grit Formation (-2301)
Alternative Name(s): Lower Plumpton Grit
Stratotypes:
Reference Section  Disused Spofforth railway cutting; 30m of strata. Cooper, A H and Burgess, I C, 1993. 
Type Section  Borehole: Stockeld Borehole SE34NE/16, 38.25-69.34m. Cooper, A H and Burgess, I C, 1993. 
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. 
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. 
Hudson, R G S, 1938. The geology of the country around Harrogate. Proceedings of the Geologists' Association, Vol.49, 306-330. 
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