The BGS Lexicon of Named Rock Units — Result Details

Lenton Sandstone Formation

Computer Code: LNS Preferred Map Code: LnS
Status Code: Full
Age range: Guadalupian Epoch (PUG) — Early Triassic Epoch (TE)
Lithological Description: Sandstone, very fine- to medium-grained. Argillaceous, red-brown with buff mottles, cross-stratified; subordinate beds of red-brown mudstone and conglomerate.
Definition of Lower Boundary: Gradational, upward passage by interdigitation, from mudstone of Edlington Formation. Overlaps successively onto Cadeby Formation and Basal Breccia to south of Nottingham.
Definition of Upper Boundary: Marked but gradual upward increase in grain size and pebble content into overlying Nottingham Castle Sandstone Formation.
Thickness: 12-c.70m
Geographical Limits: Crops out from Nottingham to south Yorkshire, identifiable in subsurface to east. Lower part is a sandy facies of upper Permian, Edlington Formation.
Parent Unit: Not Applicable (-)
Previous Name(s): Lenton Sandstone Formation [Obsolete Code: Use LNS] (LNSF)
Lower Mottled Sandstone (-4496)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Former moulding sand quarries, Bobbers Mill, Nottingham. Includes boundary with, and lowermost 2m of, Nottingham Castle Sandstone Formation. 
Type Section  Former quarry face along north side of Queen's Medical Centre, Nottingham. 
Reference(s):
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. 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E126 E142 E141