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
Stratotypes:
Type Section  In borehole NY42NE/1, between 54.73 and 59.84m depth below ground level. Arthurton and Wadge, 1981. 
Reference(s):
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. 
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. 
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. 
McCormac, M, 2001. The Upper Palaeozoic rocks of the Shap and Penrith district, Edenside, Cumbria. British Geological Survey Research Report, RR/01/10. 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E030