The BGS Lexicon of Named Rock Units — Result Details
Edlington Formation
Computer Code: | EDT | Preferred Map Code: | EDF |
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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 [Obsolete Name and Code: Use EDT]
(-4018)
Permian Middle Marls [Obsolete Name And Code: Use EDT] (MPM) |
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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: | |||
E090 E126 E042 E043 E082 E087 E091 E032 E115 E127 E078 E070 E142 E141 |