Computer Code: |
TNB |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
Age range: |
Ludlow Epoch (SU)
— Ludlow Epoch (SU) |
Lithological Description: |
none recorded or not applicable
|
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
183 to 213m |
Geographical Limits: |
North and south of Llandovery, mid to south Wales. |
Parent Unit: |
Not Available (!)
|
Previous Name(s): |
Tresglen Beds [Obsolete Name and Code: Use TNB]
(-4373)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
none recorded or not applicable |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E230
|