Computer Code: |
CLI |
Preferred Map Code: |
Cli |
Status Code: |
Pending Upgrade |
Age range: |
Abereiddian Stage (O2)
— Caradoc Series (O4) |
Lithological Description: |
Bluish grey limestones with interbedded mudstones. |
Definition of Lower Boundary: |
Conformably overlies the Caerhys Shale Formation with gradational boundary. |
Definition of Upper Boundary: |
Passes conformably upwards into Caradoc shales. |
Thickness: |
25m |
Geographical Limits: |
1:50,000 Sheet 209 (St.David's). |
Parent Unit: |
Not Applicable (-)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Cox, A H. 1915. The geology of the district between Abereiddy and Abercastle (Pembrokeshire). Quarterly Journal of the Geological Society, Vol.71, p.273-342. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E209
|