The BGS Lexicon of Named Rock Units — Result Details

Didymograptus Bifidus Beds And Didymograptus Murchisoni Beds (Undifferentiated)

Computer Code: BFMB Preferred Map Code: notEntered
Status Code: Index Level
Age range: Abereiddian Stage (O2) — Abereiddian Stage (O2)
Lithological Description: See the Lithology descriptions for the component units.
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): Bifidus Slate Formation and Murchisoni Beds [Undifferentiated] [Obsolete Name and Code: Use BFMB] (-1349)
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