Computer Code: |
CRBA |
Preferred Map Code: |
CRBA |
Status Code: |
Full |
Age range: |
Brigantian Substage (CX)
— Brigantian Substage (CX) |
Lithological Description: |
Basalt lavas. |
Definition of Lower Boundary: |
Lowest basalt lava resting on sandstone of Eglish Sandstone Formation. |
Definition of Upper Boundary: |
Highest basalt lava overlain by tuff beds representing base of Glenshesk Tuff Formation. |
Thickness: |
38 m. |
Geographical Limits: |
Inland and coastal exposures on north-east coast of County Antrim, east and south of Ballycastle. |
Parent Unit: |
Ballycastle Sandstone Group (BCSS)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Inland and coastal exposures on north-east coast of County Antrim, east and south of Ballycastle. |
Reference(s): |
Wilson, H E and Robbie, J A. 1966. Geology of the Country around Ballycastle. Memoir of the Geological Survey. [Belfast: HMSO.] |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |