| Computer Code: |
CCC |
Preferred Map Code: |
DUN |
| Status Code: |
Full |
| Age range: |
Early Devonian Epoch (DL)
— Early Devonian Epoch (DL) |
| Lithological Description: |
Thin basal breccia of angular schist clasts overlain by conglomerate dominantly of rounded clasts of quartzite with minor vein quartz and volcanic rock. |
| Definition of Lower Boundary: |
Unconformable on Precambrian (Dalradian Supergroup). |
| Definition of Upper Boundary: |
Gradational with succeeding Ballyagan Formation by loss of conglomerates and increase in volcaniclastic detritus. |
| Thickness: |
0-600m (0-1968ft) |
| Geographical Limits: |
Northeast County Antrim between Cushendun and Cushendall on the northeast flank of Cross Slieve. |
| Parent Unit: |
Cross Slieve Group (CSSL)
|
| Previous Name(s): |
Cushendun Conglomerate [Obsolete Name and Code: Use CCC]
(-4527)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Shoreface cliffs and outcrops on the south side of Cushendun Bay extending south from the Cushendun Caves. Irish Grid |
| Reference(s): |
| Simon, J B. 1984. Provenance and depositional history of the Lower Old Red Sandstone of northeast Antrim. Irish Journal of Earth Sciences 6, 213-228. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
N14
|
