Computer Code: |
BDO |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
Age range: |
Llandovery Epoch (SL)
— Llandovery Epoch (SL) |
Lithological Description: |
Mudstones - dark grey. Underlying unit grey silty mudstones with sandstones, overlying unit pale mudstones. |
Definition of Lower Boundary: |
Not defined. |
Definition of Upper Boundary: |
Not defined. |
Thickness: |
50 - 120 metres. |
Geographical Limits: |
Not defined. |
Parent Unit: |
Not Entered (?)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Sheet 94. (Top of section, base not exposed). |
Reference(s): |
Warren, P T, Price, D, Nutt, M J C and Smith, E G. 1984. Geology of the country around Rhyl and Denbigh. Memoir for 1:50 000 geological sheets 95 and 107 and parts of sheets 94 and 106. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E106
|