| Computer Code: |
CBSC |
Preferred Map Code: |
CBSC |
| Status Code: |
Full |
| Age range: |
Comley Series (EC)
— Comley Series (EC) |
| Lithological Description: |
Siltstones, purple-grey, with subangular to well rounded igneous pebbles and siltstone intraclasts. |
| Definition of Lower Boundary: |
Sharp, erosive base on underlying grey tuffaceous siltstones of the Broadgate Formation. |
| Definition of Upper Boundary: |
Not seen, probable conformable passage into overlying beds of the Stable Pit Member. |
| Thickness: |
0 - 5 m |
| Geographical Limits: |
Confined to the type section; not observed or not exposed elsewhere. |
| Parent Unit: |
Swithland Formation (SWSL)
|
| Previous Name(s): |
Swithland Camp Conglomerate Member [Obsolete Name and Code: Use CBSC]
(-3282)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Swithland Camp, south-east corner at an isolated knoll, about 300 m. west-south-west of 'The Brand' crossroads. |
| Reference(s): |
| Worssam, B C and Old, R A, 1988. Geology of the country around Coalville. Memoir of the British Geological Survey, Sheet 155 (England and Wales) |
| Mc Ilroy , D, Brasier, M D and Moseley J. 1998. The Proterozoic - Cambrian transition within the 'Charnian Supergroup' of central England and the antiquity of the Ediacara fauna. Journal of the Geological Society of London, Vol. 155, 401 - 413. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E155
|
