The BGS Lexicon of Named Rock Units — Result Details
Scawby Limestone [Obsolete: use LLL]
| Computer Code: | SYL | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Bajocian Age (JB) — Bajocian Age (JB) | ||
| Lithological Description: | [Obsolete: use LLL] Limestone, predominantly lime-mudstone and shelly, peloidal and oncoidal wackestone, with some thin interbeds of calcareous mudstone. | ||
| Definition of Lower Boundary: | Quasi-conformable or more or less disconformable contact with mudstone-dominated succession of the underlying part of the Kirton Cementstones, overlain by the limestone-dominated sequence of the Scawby Limestone. | ||
| Definition of Upper Boundary: | Conformable contact between the Scawby Limestone's limestone-dominated sequence and the mudstone-rich succession of the overlying part of the Kirton Cementstone. | ||
| Thickness: | To c. 3 m. | ||
| Geographical Limits: | BGS 1:50 000 sheets 80 and 89, North Lincolnshire from the Humber, possibly as far south as the Lincoln area. | ||
| Parent Unit: | none recorded or not applicable | ||
| Previous Name(s): | Unit F of Ashton, 1975
(UNITF)
Scawby Limestone Member [Obsolete Name and Code: Use SYL] (-4358) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Scawby, near Scunthorpe, North Lincolnshire. | ||
| Reference Section | Manton Stone Quarry, 4km west of Hibaldstow, North Lincolnshire. Full exposed: 5m of beds. Cox and Sumbler, 2002, p.302. Ashton, 1975. | ||
| Reference(s): | |||
| Ashton, M. 1975. A new section in the Lincolnshire Limestone of South Humberside and its significance. Proceedings of the Yorkshire Geological Society, Vol. 40, 419-429. | |||
| Cox, B M, and Sumbler, M G. 2002. British Middle Jurassic Stratigraphy. Geological Conservation Review Series No.26. [Peterborough: Joint Nature Conservation Committee.] | |||
| Gaunt, G D, Fletcher, T P and Wood, C J. 1992. Geology of the country around Kingston upon Hull and Brigg. Memoir of the British Geological Survey, sheets 80 and 89 (England and Wales). 172pp. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E080 E089 | |||