The BGS Lexicon of Named Rock Units — Result Details

Bodorgan Formation

Computer Code: BODO Preferred Map Code: notEntered
Status Code: Full
Age range: Furongian Epoch (EF) — Tremadocian Age (OTR)
Lithological Description: Variably schistose heterolithic sandstone-mudstone units interbedded with units of chlorite-rich mudstone and sandstone debrite with clasts of quartzite, metalimestone, amphibolite, pillow basalts, basalt hyaloclastite and calcsilicate rock.
Definition of Lower Boundary: Unconformable contact, on Porth Trecastell Formation (TRCA).
Definition of Upper Boundary: Unconformably overlain by ?Devonian rocks of the Brynrefail Group (BRYF) or Carboniferous rocks of the Clwyd Limestone Group (CLWYD) or Millstone Grit Group (MG).
Thickness: none recorded or not applicable
Geographical Limits: Anglesey.
Parent Unit: 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