The BGS Lexicon of Named Rock Units — Result Details

Wintertarn Sandstone Member

Computer Code: WTRS Preferred Map Code: WTRS
Status Code: Full
Age range: Asbian Substage (CR) — Asbian Substage (CR)
Lithological Description: Sandstone.
Definition of Lower Boundary: At the base of the sandstone overlying the uppermost thick-bedded limestone of the Great Scar Limestone Group.
Definition of Upper Boundary: Base of the overlying Askham or Peghorn Limestone Member.
Thickness: From 3 to 7m
Geographical Limits: Northwest England.
Parent Unit: Tyne Limestone Formation (TYLS)
Previous Name(s): Thorny Force Sandstone (TFS)
Alternative Name(s): none recorded or not applicable
Type Section  In borehole NY42NE/1, between 54.73 and 59.84m depth below ground level. Arthurton and Wadge, 1981. 
Dean, M T, Browne, M A E, Waters, C N and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report, RR/10/007. 165pp. 
McCormac, M, 2001. The Upper Palaeozoic rocks of the Shap and Penrith district, Edenside, Cumbria. British Geological Survey Research Report, RR/01/10. 
Arthurton, R S, and Wadge, A J. 1981. Geology of the country around Penrith. Memoir for geological sheet 24. Institute of Geological Sciences, London, HMSO. 
Burgess, I C and Holliday, D W. 1979. Geology of the country around Brough-under-Stainmore. Memoir for 1:50 000 geological sheet 31 and parts of sheets 25 and 30. Geological Survey of Great Britain (England and Wales). [London: HMSO.] 131pp. 
Rowley, C R. 1969. The stratigraphy of the Carboniferous Middle Limestone Group of West Edenside, Westmorland. Proceedings of the Yorkshire Geological Society, Vol.37, 329-350. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: