The BGS Lexicon of Named Rock Units — Result Details

Cwm Eigiau Formation And Lower, Middle And Upper Crafnant Formations (Undifferentiated)

Computer Code: CEICV Preferred Map Code: notEntered
Status Code: Index Level
Age range: Soudleyan Substage (OY) — Woolstonian Substage (OS)
Lithological Description: Sandstone, tuff and tuffite with subsidiary conglomerate, mudstone, siltstone and silty mudstone.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: none recorded or not applicable
Previous Name(s): none recorded or not applicable
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:
none recorded or not applicable