The BGS Lexicon of Named Rock Units — Result Details

Monograptus Sedgwickii Shale Member

Computer Code: MSW Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Llandovery Epoch (SL) — Llandovery Epoch (SL)
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: Rhayader Mudstones Formation (RHS)
Previous Name(s): Dark Grey Mudstone Member (*84)
Dark Grey Mudstone Member [Obsolete Name And Code: See MSW] (DMM)
Alternative Name(s): Dark Grey Mudstone Member
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:
E149 E179