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: | Llandovery. | ||
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 [Obsolete Name And Code: See MSW]
(DMM)
Dark Grey Mudstone Member [Obsolete Name and Code: Use MSW] (*84) |
||
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: | |||
E149 E179 |