The BGS Lexicon of Named Rock Units — Result Details
Brantingham Member
Computer Code: | BTF | Preferred Map Code: | Bt |
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Status Code: | Full | ||
Age range: | Oxfordian Age (JO) — Oxfordian Age (JO) | ||
Lithological Description: | Pale to medium grey calcareous siltstone with thin lenticular or concretionary sandy and silty limestones and a few thin medium to dark grey mudstone beds; pale to medium grey, fine-grained, silty massive and bioturbated calcareous sandstones developed in lower part. | ||
Definition of Lower Boundary: | Base of sediments as described above resting erosively on mudstone of Oxford Clay or (locally) mudstone, siltstone or sandstone of Kellaways Formation; small phosphatic pebbles at base in some sections. | ||
Definition of Upper Boundary: | Base of silty mudstones and mudstones of overlying beds of West Walton Formation undifferentiated. | ||
Thickness: | 0 to c.18m | ||
Geographical Limits: | Humberside, Worlaby to Market Weighton (Gaunt et al., 1992) | ||
Parent Unit: | West Walton Formation (WWB) | ||
Previous Name(s): | Brantingham Formation [Obsolete Name and Code: Use BTF]
(-2647)
Corallian Limestone [Obsolete Name and Code: Use BTF] (-3249) Included In Ampthill Clay (-91) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Reference Section | British Geological Survey South Cave Borehole (SE93SW/13), 44.60 to 56.43m. Gaunt,G D, Ivimey-Cook, H C, Penn, I E and Cox, B M. 1980. Mesozoic rocks proved by the Institute of Geological Sciences boreholes in the Humber and Acklam areas. | ||
Type Area | Humberside. Gaunt, G D, Ivimey-Cook, H C, Penn, I E and Cox, B M. 1980. Mesozoic rocks proved by the Institute of Geological Sciences boreholes in the Humber and Acklam areas. Report of the Institute of Geological Sciences, Number 79/13. | ||
Type Section | British Geological Survey Alandale Borehole (TA02NW/68), 75.87 to 91.42m. Gaunt, G D, Ivimey-Cook, H C, Penn, I E and Cox, B M. 1980. Mesozoic rocks proved by the Institute of Geological Sciences boreholes in the Humber and Acklam areas. Amended by 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). | ||
Reference(s): | |||
Gaunt, G D, Ivimey-Cook, H C, Penn, I E and Cox, B M. 1980. Mesozoic rocks proved by the Institute of Geological Sciences boreholes in the Humber and Acklam areas. Report of the Institute of Geological Sciences, No. 79/13. | |||
Richardson, G 1979. The Mesozoic stratigraphy of two boreholes near Worlaby, Humberside. Bulletin of the Geological Survey of Great Britain. No. 58, p.1-24. | |||
Gray, D A. 1955 The occurrence of a Corallian limestone in East Yo;rkshire, south of Market Weighton. Proceedings of the Yorkshire Geological Society, Vol.30, 25-34. | |||
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 E072 |