The BGS Lexicon of Named Rock Units — Result Details

Lingmoor Fell Formation [Obsolete Name: Part Of LWW]

Computer Code: LRF Preferred Map Code: LRF
Status Code: Index Level
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: Dacitic lapilli tuff.
Definition of Lower Boundary: Base of dacitic lapilli tuff. Probably unconformable, base of formation always faulted out.
Definition of Upper Boundary: Base of overlying Seathwaite Fell Sandstone Formation - volcaniclastic sandstone.
Thickness: Up to 550m
Geographical Limits: Little Langdale to Great Langdale, Cumbria.
Parent Unit: Borrowdale Volcanic Group (BVG)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Low Water Tuff Formation
Type Area  Lingmoor Fell to Little Langdale. 
Millward, D, Johnson, E W, Beddoe-Stephens, B, Young, B, Kneller, B C, Lee, M K, Fortey, N J, Allen, P M, Branney, M J, Cooper, D C, Hirons, S, Kokelaar, B P, Marks, R J, McConnell, B J, Merritt, J W, Molyneux, S G, Petterson, M G, Roberts, B, Rundle, C C, Rushton, A W A, Scott, R W, Soper, N J and Stone, P. 2000. Geology of the Ambleside district. Memoir of the British Geological Survey, England and Wales, Sheet 38. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: