The BGS Lexicon of Named Rock Units — Result Details

Tresglen Formation

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