The BGS Lexicon of Named Rock Units — Result Details

Hetton Beck Limestone Member

Computer Code: HBEL Preferred Map Code: HBeL
Status Code: Full
Age range: Chadian Substage (CI) — Chadian Substage (CI)
Lithological Description: Packstones, wackestones and floatstones, with a variety of thick, thin, wavy, and nodular bedding, interbedded with subordinate grainstones, limestone lithoclasts, possible 'in situ' Waulsortian limestones and thin mudstones. Silicification and dolomitisation common, with slumps and gravity slides present locally.
Definition of Lower Boundary: Park Laithe Borehole (SD 9629 5813) showed an unconformable relationship with the underlying Clitheroe Limestone Formation (Thornton Limestone Member).
Definition of Upper Boundary: In the Eshton-Hetton Anticline, the Hetton Beck Limestone is overlain by various lithologies including wackstones, laminated calcisiltites, mudstones and boulder beds.
Thickness: To 130m
Geographical Limits: Confined to Craven Basin.
Parent Unit: Hodder Mudstone Formation (HOM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Here designated: Hetton Beck (SD 9592 5793 - 9607 5828), 1.5km south-west of Rylstone Parish Church. The base and top of the sequence are unexposed. 
Reference(s):
Riley N J. 1990. Stratigraphy of the Worston Shale Group (Dinantian) Craven Basin, north-west England. Proceedings of the Yorkshire Geological Society, Vol. 48, 163-187. 
Moseley, F, 1962. The structure of the south-western part of the Sykes Anticline, Bowland, West Yorkshire. Proceedings of the Yorkshire Geological Society, Vol.33, p.287-314. 
Booker, K M and Hudson, R G S, 1926. The Carboniferous sequence of the Craven Lowlands south of the reef limestones of Cracoe. Proceedings of the Yorkshire Geological Society, Vol.20, p.411-438. 
Gawthorpe, R L and Clemmey, H, 1985. Geometry of submarine slides in the Bowland Basin (Dinantian) and their relation to debris flows. Journal of the Geological Society of London, Vol.142, 555-565. 
Arthurton, R S, Johnson, E W and Mundy, D J C. 1988. Geology of the country around Settle. Memoir of the British Geological Survey, Sheet 60 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E060 E059 E067