| Computer Code: |
BFL |
Preferred Map Code: |
BfL |
| Status Code: |
Full |
| Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
| Lithological Description: |
Planar thin-bedded to ripple-cross laminated volcaniclastic siltstone and fine-grained volcaniclastic sandstone; some intercalated coarse-grained volcaniclastic sandstone containing elongate pumice fragments. |
| Definition of Lower Boundary: |
Taken at the base of well bedded volcaniclastic rocks generally overlying the Pavey Ark Breccia Member, but in places overlapping the Scafell Dacite and volcaniclastic breccia of the Cam Crags Member |
| Definition of Upper Boundary: |
Defined by the base of overlying volcaniclastic rocks of the Cockley Pike Member |
| Thickness: |
Up to 120m |
| Geographical Limits: |
From Thirlmere to Scafell and the Langdale Pikes, Lake District, Cumbria |
| Parent Unit: |
Seathwaite Fell Sandstone Formation (SET)
|
| Previous Name(s): |
Bowfell Links Member [Obsolete Name and Code: Use BFL]
(-3209)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Bowfell Links, Langdale, Cumbria Kneller and McConnell, 1993 |
| Reference(s): |
| 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. |
| Kneller B C and McConnell, B J . 1993. The Seathwaite Fell Formation in the central Fells. British Geological Survey Technical Report WA/93/43 |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
