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. 70 m
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): Lower Mottled Sandstone [Obsolete Name and Code: Use BRI, KNSF, LNS] (-4496)
Alternative Name(s): none recorded or not applicable
Reference Section  Former moulding sand quarries, Bobbers Mill, Nottingham. Includes boundary with, and lowermost 2 m of, Nottingham Castle Sandstone Formation. 
Type Section  Former quarry face along north side of Queen's Medical Centre, Nottingham. 
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