The BGS Lexicon of Named Rock Units — Result Details

Rubery Sandstone Member

Computer Code: RBS Preferred Map Code: RbS
Status Code: Pending Upgrade
Age range: Llandovery Epoch (SL) — Llandovery Epoch (SL)
Lithological Description: Sandstone, yellow, grey, locally pebbly at base, and mudstone, red, purple, grey, buff with sporadic pale grey limestone beds.
Definition of Lower Boundary: Basal sandstone bed, locally with clasts of Lickey Quartzite, unconformably overlying Lickey Quartzite (Wills and others, 1925)
Definition of Upper Boundary: Base of `Rubery Shale', where buff, grey and purple 'shales' with `fucoids' overlie predominantly sandstone beds of the `Rubery Sandstone' (Wills and others, 1925).
Thickness: 32m in type area; c.43m in Walsall Borehole (Butler, 1937)
Geographical Limits: Two or tthree small, faulted outcrops at Rubery, West Midlands.
Parent Unit: Rubery Formation (RBY)
Previous Name(s): Rubery Sandstone (-2991)
Upper Llandovery Sandstone [Obsolete Name And Code: Use RBS] (ULS)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  Quarry behind the Balti House (formally Dave's Cafe) at Rubery. Old, et al. 1991. 
Type Area  Rubery Hill Hospital [SO 993 778] and Rubery [SO 993 773] and quarry section [SO 9927 7727] (Old and others, 1991) and Bristol Road Section (Wills and Laurie, 1938). 
Reference Section  Walsall Borehole [SP09NW/33] from 338.3 to 382m depth (Butler, 1937) 
Reference Section  Callow Brook (Old and others, 1991; Ziegler and others, 1968, p764) 
Reference(s):
Lapworth, C, 1899. Sketch of the geology of the Birmingham district, with special reference to the long excursion of 1898. Proceedings of the Geologists' Association, 15, 313-415. 
Old R A, Hamblin, R J O, Ambrose, K, and Warrington G. 1991. Geology of the country around Redditch. Memoir of the British Geological Survey, Sheet 183 (England and Wales). 
Wills, L J and Laurie, W H, 1938. Deep sewer trench along the Bristol Road from Ashill Road near Longbridge Hotel to the city boundary at Rubery, 1937. Proceedings of the Birmingham Natural History and Philosophical Society, 16, 175-180. 
Butler, A J, 1937. On Silurian and Cambrian rocks encountered in a deep boring at Walsall, South Staffordshire, Geological Magazine, 74, 241-257. 
Wills, L J, Wilkins, L G and Hubbard, G H, 1925. The upper Llandovery Series at Rubery. Proceedings of the Birmingham Natural History and Philosophical Society, 15, 67-83. 
Eastwood, T, Whitehead, T H and Robertson, T, 1925. The geology of the country around Birmingham. Memoir of the British Geological Survey of Great Britain. 
Eastwood, T, Gibson, W, Cantrill, T C and Whitehead, T H. 1923. The geology of country around Coventry, including an account of the Carboniferous rocks of the Warwickshire Coalfield. Memoir of the Geological Survey of Great Britain, Sheet 169. (England and Wales). 
Fleet, W F. 1925. The chief detrital minerals of the rocks of the English Midlands. Geological Magazine, Vol.62, p.98-128. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E183 E168