The BGS Lexicon of Named Rock Units — Result Details

Ashfell Sandstone Formation

Computer Code: AFS Preferred Map Code: AfS
Status Code: Pending Upgrade
Age range: Arundian Substage (CJ) — Arundian Substage (CJ)
Lithological Description: none recorded or not applicable
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: Great Scar Limestone Group (GSCL)
Previous Name(s): Ashfell Sandstone (-2559)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Turner, J S. 1959. Pinksey Gill beds in the Lune Valley, Westmoreland, and Ashfell Sandstone in Garsdale, Yorkshire. Transactions of the Leeds Geological Association, Vol.7, 78-87. 
Turner, J S. 1950. Notes on the Carboniferous Limestone of Ravenstonedale, Westmoreland. Transactions of the Leeds Geological Association, Vol.6, 124-134. 
Dunham, K C, and Wilson, A A. 1985. Geology of the Northern Pennine Orefield. Volume 2 Stainmore to Craven. Economic Memoir of the British Geological Survey, Sheets 40, 41 and 50, and parts of Sheets 31, 32, 51, 60 and 61(England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E031 E040