Computer Code: |
PO |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
Age range: |
Hettangian Age (JH)
— Sinemurian Age (JS) |
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: |
Blue Lias Formation (BLI)
|
Previous Name(s): |
Porthkerry Formation [Obsolete Name and Code: Use PO]
(-4844)
|
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: |
E263
E262
|