The BGS Lexicon of Named Rock Units — Result Details

Ledbury Group [Obsolete Name And Code]

Computer Code: LG Preferred Map Code: notEntered
Status Code: Index Level
Age range: Pridoli Epoch (SO) — Pridoli Epoch (SO)
Lithological Description: Red marls, sandstones and cornstones.
Definition of Lower Boundary: Drawn at the base of the red marls where it rests conformably on the Temeside Shales of the Downton Castle Sandstone Formation.
Definition of Upper Boundary: Drawn at the conformable upward passage of cornstones of the Ledbury Group to rocks of Dittonian age.
Thickness: Not known.
Geographical Limits: Malvern to Abberleys, Anglo/Welsh border.
Parent Unit: Not Entered (?)
Previous Name(s): Downtonian Red Marl (-4758)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  The area between Malvern and Abberleys. 
Reference(s):
Definition not published. 
Cocks, L R M, Holland, C H, Rickards, R B and Strachan, I, 1971. A correlation of Silurian rocks in the British Isles. Geological Society of London, Special Report No.1. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable