| Computer Code: |
BRBY |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Bajocian Age (JB)
— Bajocian Age (JB) |
| Lithological Description: |
Yellow, sandy limestone and grey, lime mud-rich, peloidal limestone with bivalves that passes up to calcareous sandstone with pentacrinoid columnals and Diplocraterion burrows. |
| Definition of Lower Boundary: |
Overlies grey mudstone with plant fragments of the Cloughton Formation (CLH) with a sharp boundary. |
| Definition of Upper Boundary: |
Overlain by the Crinoid Grit Member (CRG). |
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Kirby Knowle, in south-west of Cleveland Basin. |
| Parent Unit: |
Scarborough Formation (SCR)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Quarry near Kirby Knowle [SE 4744 8777]. |
| Reference(s): |
| Barron, A J M, Lott, G K, and Riding, J B. 2012. Stratigraphical framework for the Middle Jurassic strata of Great Britain and the adjoining continental shelf. British Geological Survey Research Report RR/11/06. |
| Phillips, J. 1829. Illustrations of the geology of Yorkshire, or a description of the strata and organic remains. Part I, the Yorkshire Coast. (York.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
