The BGS Lexicon of Named Rock Units — Result Details

Stile End Formation

Computer Code: SEN Preferred Map Code: SEn
Status Code: Pending Upgrade
Age range: Cautleyan Stage (OU) — Cautleyan Stage (OU)
Lithological Description: Grey, calcareous, fossiliferous siltstones.
Definition of Lower Boundary: Taken at change in lithology from siltstones to sandstones of Longsleddale Formation below, or locally at unconformity with Borrowdale Volcanic Group.
Definition of Upper Boundary: At base of Applethwaite Formation or Stockdale Rhyolite Formation where present.
Thickness: Maximum of c.50m, wedges out laterally over a distance of 3km.
Geographical Limits: Not defined.
Parent Unit: Dent Group (DNT)
Previous Name(s): Style End Grassing Beds (-3027)
Stile End Beds (-3666)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  450 metres north-north-west of Stockdale Farm, Longsleddale, Sheet 39, Kendal. 
Reference(s):
McNamara, K J. 1979. The age, stratigraphy and genesis of the Coniston Limestone Group in the southern Lake District. Geological Journal, 14, 41-69. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E039 E038