Computer Code: |
BCR |
Preferred Map Code: |
BCr |
Status Code: |
Full |
Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
Lithological Description: |
Matrix-supported, poorly supported pebble to cobble breccia, fining upwards into pebbly sandstone. |
Definition of Lower Boundary: |
Erosional contact on bedded sandstone within the Seathwaite Fell Sandstone Formation. |
Definition of Upper Boundary: |
Erosional contact with disturbed siltstone and sandstone, within the Seathwaite Fell Sandstone Formation. |
Thickness: |
45 - 60m |
Geographical Limits: |
North Lake District, between Borrowdale and Thirlmere. |
Parent Unit: |
Seathwaite Fell Sandstone Formation (SET)
|
Previous Name(s): |
Bell Crags Member [Obsolete Name and Code: Use BCR]
(-2588)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Reference Section |
Crags on Bell Crags, near Thirlmere. |
Reference(s): |
Kneller B C and McConnell, B J . 1993. The Seathwaite Fell Formation in the central Fells. British Geological Survey Technical Report WA/93/43 |
Woodhall, D G, 1998. The geology of the Wythburn, Thirlmere and Fairfield areas of the north-east Lake District. British Geological Survey Technical Report WA/98/07. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E029
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