Computer Code: |
LG |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Pridoli Epoch (SO)
— Pridoli Epoch (SO) |
Lithological Description: |
[Obsolete] 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: |
none recorded or not applicable
|
Previous Name(s): |
Downtonian Red Marl [Obsolete Name and Code: Use LG]
(-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 |