Computer Code: |
BGAN |
Preferred Map Code: |
AGAN |
Status Code: |
Full |
Age range: |
Early Devonian Epoch (DL)
— Early Devonian Epoch (DL) |
Lithological Description: |
Sandstone, purplish brown and grey, very coarse-grained with small pebbles, volcaniclastic, fine-to medium-grained, parallel and cross-laminated and mudstones, reddish brown, laminated to massive with desiccation cracks, calcrete. |
Definition of Lower Boundary: |
Gradational from preceeding Cushendun Formation by loss of conglomerates and increase in volcaniclastic detritus. |
Definition of Upper Boundary: |
Abrupt transition to succeeding Cushendall Formation by appearance of massive boulder conglomerates with volcaniclastic detritus. |
Thickness: |
0-600m (0-1968ft). |
Geographical Limits: |
Northeast Co Antrim between Cushendun and Cushendall on the east flank of Cross Slieve. |
Parent Unit: |
Cross Slieve Group (CSSL)
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Previous Name(s): |
none recorded or not applicable
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Alternative Name(s): |
none recorded or not applicable
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Stratotypes: |
Reference Section |
Shoreface cliffs and outcrops on the east side of Cross Slieve south of Cushendun extending south to Port Obe. 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
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