The BGS Lexicon of Named Rock Units — Result Details

Gyffin Shales [Obsolete Name And Code: Use COMU]

Computer Code: GYS Preferred Map Code: notEntered
Status Code: Index Level
Age range: Hirnantian Age (OH) — Hirnantian Age (OH)
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: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: Conwy Mudstones Formation (COMU)
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