The BGS Lexicon of Named Rock Units — Result Details
Nottingham Castle Sandstone Formation [Obsolete: use CHES]
Computer Code: | NTC | Preferred Map Code: | Ntc |
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Status Code: | Pending Upgrade | ||
Age range: | Early Triassic Epoch (TE) — Early Triassic Epoch (TE) | ||
Lithological Description: | [Obsolete: use CHES] Sandstone, pinkish red or buff-grey, medium- to coarse-grained, pebbly, cross-bedded, friable; subordinate lenticular beds of reddish brown mudstone. | ||
Definition of Lower Boundary: | Marked but gradual upward increase in grain size and pebble content; overlies Lenton Sandstone Formation. | ||
Definition of Upper Boundary: | Sharp, non-sequence; marked by mudstone of thin conglomerate at base of Mercia Mudstone Group. | ||
Thickness: | 70-170m (thickens to NE) in Nottinghamshire. | ||
Geographical Limits: | Crops out in Nottinghamshire and south Yorkshire; pebbles die out north of Doncaster and hence formation not recognisable. Probably correlates with Kidderminster Formation etc. of central England. | ||
Parent Unit: | none recorded or not applicable | ||
Previous Name(s): | Nottingham Castle Formation [Obsolete Name and Code: Use NTC, CHES]
(-3590)
Bunter Pebble Beds [Obsolete Name And Code: Use CHES] (BNP) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Reference Section | Park Tunnel off Derby Road, Nottingham. 8m high tunnel with exposures of cross-bedding in 3-dimensional view. | ||
Type Section | Castle Rock, Nottingham; 40m high river cliff with up to 35m of exposure. | ||
Reference(s): | |||
Elliott, R E 1961. The stratigraphy of the Keuper Series in southern Notinghamshire. Proceedings of the Yorkshire Geological Society, Vol.33, 197-231. | |||
Ambrose, K, Hough, E, Smith, N J P, and Warrington, G. 2014. Lithostratigraphy of the Sherwood Sandstone Group of England, Wales and south-west Scotland. British Geological Survey Research Report RR/14/01. | |||
Warrington, G, Audley-Charles, M G, Elliott, R E, Evans, W B, Ivimey-Cook, H C, Kent, P E, Robinson, P L, Shotton, F W and Taylor, F M. 1980. A correlation of the Triassic rocks in the British Isles. Special Report of the Geological Society of London, No.13. | |||
Charsley, T J, Rathbone, P A and Lowe, D J, 1990. Nottingham: A geological background for planning and development. British Geological Survey Technical Report WA/90/1. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E126 E087 E088 E101 E113 E142 |