The BGS Lexicon of Named Rock Units — Result Details

Scawby Limestone

Computer Code: SYL Preferred Map Code: notEntered
Status Code: Index Level
Age range: Bajocian Age (JB) — Bajocian Age (JB)
Lithological Description: 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.3m
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: Kirton Cementstone Beds (KCM)
Previous Name(s): Scawby Limestone Member (-4358)
Unit F of Ashton, 1975 (UNITF)
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