| Computer Code: |
SPRO |
Preferred Map Code: |
notEntered |
| Status Code: |
Full, pending ratification |
| Age range: |
Guadalupian Epoch (PUG)
— Lopingian Epoch (PUL) |
| Lithological Description: |
Pale cream and grey to buff, sparsely fossiliferous and commonly cross-stratified, finely oolitic dolomite. |
| Definition of Lower Boundary: |
Drawn at base of pale grey oolitic dolomite where it rests on the Wetherby Member; overlies the lower dolomite of the Hampole Beds. |
| Definition of Upper Boundary: |
Drawn at base of mudstones of the Edlington Formation. |
| Thickness: |
Up to approx. 40 metres. |
| Geographical Limits: |
Eastern England, (Yorkshire Province), near outcrop. |
| Parent Unit: |
Cadeby Formation (CDF)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Boat Lane Quarry, Sprotbrough, near Doncaster, South Yorkshire. |
| Reference(s): |
| Smith, D B, Harwood, G M, Pattison, J and Pettigrew, T H. 1986. A revised nomenclature for Upper Permian strata in eastern England. 9-17 in Harwood, G M and Smith, D B (editors). The English Zechstein and Related Topics. Geological Society Special Publication No.22. |
| Kaldi, J. 1986. Diagenesis of nearshore carbonate rocks in the Sprotbrough Member of the Cadeby (Magnesian Limestone) Formation (Upper Permian) of eastern England. 87-102 in Harwood, G M and Smith, D B (editors), The English Zechstein and Related Topics. Geological Society Special Publication No.22. |
| Smith, D B. 1968. The Hampole Beds - a significant marker in the Lower Magnesian Limestone of Yorkshire, Derbyshire and Nottinghamshire. Proceedings of the Yorkshire Geological Society, Vol.36, 463-477. |
| Smith, D B, Brunstrom, R G W, Manning, D I, Simpson, S and Shotton, F W. 1974. A correlation of Permian rocks in the British Isles. Geological Society of London Special Report No. 5. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
