Computer Code: |
CCR |
Preferred Map Code: |
CCr |
Status Code: |
Full |
Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
Lithological Description: |
Coarse-grained volcaniclastic sandstone and breccia, pebble breccia, pebbly sandstone, dark brown weathered.. |
Definition of Lower Boundary: |
Gradational (conformable) contact with bedded sandstone, within the Saethwaite fell Sandstone Formation. |
Definition of Upper Boundary: |
Overlain (conformably) by siltstone, sandstone and breccia, within the Seathwaite Fell Sandstone Formation. |
Thickness: |
0 - 275m |
Geographical Limits: |
Lake District, Central Fells. |
Parent Unit: |
Seathwaite Fell Sandstone Formation (SET)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Reference Section |
Crags on ridge from Thorneythwaite Fell to Glaramara, west of Combe Gill. |
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 |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E038
E029
|