The BGS Lexicon of Named Rock Units — Result Details

Kendal Group

Computer Code: KNDL Preferred Map Code: notEntered
Status Code: Full
Age range: Ludlow Epoch (SU) — Pridoli Epoch (SO)
Lithological Description: Comprises a lower sequence of graded siltstone-mudstone couplets with locally extensive intercalations of turbiditic sandstone (Bannisdale Formation).
Definition of Lower Boundary: As for the base of the Bannisdale Formation; gradational from the sandstone-dominated Coniston Group into siltstone and mudstone units.
Definition of Upper Boundary: Unconformably overlain by various Devonian and Carboniferous rocks.
Thickness: Possibly more than 4.2km
Geographical Limits: Northwest England; southern Lake District, Cumbria; Howgill Fells, Cumbria.
Parent Unit: Windermere Supergroup (WIN)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Southern Lake District, Cumbria. All component formations have individually defined stratotypes. 
Reference(s):
King, L M. 1992. A basin study of the early Palaeozoic Windermere Group, northwest England. Unpublished PhD thesis. University of Cambridge. 
Woodcock, N H and Strachan, R A. 2000. Geological History of Britain and Ireland. (Oxford and Edinburgh: Blackwell Science Publishing.) 
Rickards R B and Woodcock, N H. 2005. Stratigraphical revision of the Windermere Supergroup (Late Ordovician-Silurian) in the southern Howgill Fells, northwest England. Proceedings of the Yorkshire Geological Society, Vol 55. 263-285. 
Moseley F. 1984. Lower Palaeozoic lithostratigraphical classification in the English Lake District. Geological Journal, Vol. 19, p. 239-247. 
Cocks, L R M, Holland, C H and Rickards, B. 1992. A revised correlation of Silurian rocks in the British Isles. Geological Society of London Special Report. No.21, 32pp. 
Kneller, B C, Scott R W, Soper N J, Johnson E W and Allen P M, 1994. Lithostratigraphy of the Windermere Supergroup, Northern England. Geological Journal, Vol. 29, 219-240. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable