The BGS Lexicon of Named Rock Units — Result Details

Cam Crags Sandstone Member

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