The BGS Lexicon of Named Rock Units — Result Details

Edlington Formation

Computer Code: EDT Preferred Map Code: EDF
Status Code: Full
Age range: Guadalupian Epoch (PUG) — Lopingian Epoch (PUL)
Lithological Description: Mudstone, red-brown, with subordinate siltstone and sandstone, greenish-grey sandstone more common in Nottinghamshire. Dolostone and gypsum/anhydrite locally common.
Definition of Lower Boundary: Sharp, upward passage from dolostone of Cadeby Formation.
Definition of Upper Boundary: Upward passage into dolomitic limestone of Brotherton Formation.
Thickness: 0-65m
Geographical Limits: East Midlands and NE England. Dies out south of Nottingham. Passes eastwards into thick dolostones and evaporites.
Parent Unit: Zechstein Group (ZG)
Previous Name(s): Middle Permian Marls (-4018)
Permian Middle Marls [Obsolete Name And Code: Use EDT] (MPM)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  New Edlington clay pits, New Edlington, South Yorkshire (Smith et al, 1986). 
Reference(s):
Smith, D B, Harwood, G M, Pattison, J and Pettigrew, T H. 1986. A revised nomenclature for Upper Permian strata in eastern England. 9-17 in Harwood, G M and Smith, D B (editors). The English Zechstein and Related Topics. Geological Society Special Publication No.22. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E141 E090 E126 E042 E043 E082 E087 E091 E032 E115 E127 E078 E070 E142