The BGS Lexicon of Named Rock Units — Result Details

Comley Breccia Bed

Computer Code: CYBB Preferred Map Code: notEntered
Status Code: Index Level
Age range: St David's Series (ED) — St David's Series (ED)
Lithological Description: Sedimentary breccia of glauconitic sandstone and pink limestone clasts, set in a matrix of glauconitic sandstone.
Definition of Lower Boundary: Unconformable on Lower Comley Sandstone Formation.
Definition of Upper Boundary: Appears to be conformably overlain by the main part of the Hill House Grits.
Thickness: 3 to 4m
Geographical Limits: Comley area, Shropshire.
Parent Unit: Hill House Grits Member (HHGT)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Shootrough borehole, 500m east of Comley. Greig et al, 1968. 
Reference(s):
Rushton, A W A. 1974. The Cambrian of Wales and England, 43-121 in Holland, C H (editor), The Cambrian of the British Isles, Norden and Spitzbergen (Lower Palaeozoic rocks of the world, 2). [London: John Wiley and Son.] 
Cobbold, E S. 1913. Fifth report on excavations among the Cambrian rocks of Comley, Shropshire, 1911. British Association for the Advancement of Science, Report for 1912, 130-141. 
Greig D C, Wright, J E, Hains, B A and Mitchell, G H. 1968. Geology of the country around Church Stretton, Craven Arms, Wenlock Edge and Brown Clee. Memoir of the Geological Survey, Sheet 166 (England and Wales). (London: H.M.S.O.). 379pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable