The BGS Lexicon of Named Rock Units — Result Details

Rubery Formation

Computer Code: RBY Preferred Map Code: Rby
Status Code: Full
Age range: Telychian Age (ST) — Telychian Age (ST)
Lithological Description: Sandstone, yellow and grey, locally pebbly at base, siltstone, and mudstone with thin limestone beds in upper part.
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: Erosional, unconformable base of the Halesowen Formation (Carboniferous) at Rubery. Base of Buildwas Formation, bed (M) at 265.2m in Walsall Borehole (Butler, 1937).
Thickness: c.55m in type area (top is erosional), c.117m in Walsall Borehole (Butler, 1937).
Geographical Limits: West Midlands.
Parent Unit: Not Entered (?)
Previous Name(s): Rubery Sandstone Series (-4287)
Upper Llandovery Sandstone And Shale (-4288)
Rubery Sandstone And Rubery Shale (-1134)
Alternative Name(s): none recorded or not applicable
Reference Section  Walsall Borehole [SP09NW/93] from 265.2 to 382m depth (Butler, 1937). 
Type Area  Rubery Hill Hospital [SO 993 778] and Rubery [SO 993 773] and quarry section [SO 9927 7727] and Bristol Road Section (Wills and Laurie, 1938; Old and others, 1991). 
Reference Section  [upper part] Callow Brook (Old and others, 1991; Ziegler and others, 1968, p.764). 
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, 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. 
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. 
Ziegler, A M, Cocks, L R M and McKerrow, 1968. The Llandovery transgression of the Welsh Borderland. Palaeontology, Vol.11, 736-782. 
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. 
Butler, A J, 1937. On Silurian and Cambrian rocks encountered in a deep boring at Walsall, South Staffordshire, Geological Magazine, 74, 241-257. 
Powell, J H, Glover, B W and Waters, C N. 2000. Geology of the Birmingham area. Memoir of British Geological Survey Sheet 168 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E168 E183