Page:Transactions of the Geological Society, 1st series, vol. 3.djvu/210

 Glens or Cushendahl is situated; the loftier ridge of Lurgethan also runs to the west forming a bold amphitheatre of beds skirting the southern bank of that river, and at length joining the still more elevated mountain of Teabuliagh which extends between the confluence of the Ballyeemin and the Glenaan a tributary streamlet. The summit of Teabuliagh exhibits basalt, chalk, and red sandstone; and from hence these formations continue to crown the mountain chain which runs at the distance of about six miles from the sea, while the lower hills which occur nearer the coast are occupied by rocks of much greater antiquity.

Returning to Cushendall and tracing these as exhibited in the section of the cliffs, the old red sandstone and conglomerate (fully described page 149) lines the coast as far as the bay of Cushendon; near its termination at this point it is worn into many grotesque forms, and presents considerable caverns: here Mr. Buckland observed that the cement of the conglomerate often passed from a mechanical to a chemical state, and assumed all the characters of regular clay porphyry of a reddish colour, which appears to indicate the true relations of the porphyry at Killnadore.

On the north of Cushendon point the valley of Glendun is seen penetrating far into the country; through this valley the mica slate makes its appearance underlying the old red sandstone. The mountains in the back ground are a continuation of the secondary range from Teabuliah and are of similar constitution.

The cliffs of Cushleak ranging from the mouth of the Glendun river to Murloch bay present mica slate, containing subordinate beds of primitive limestone, syenite, and felspar porphyry.

The hills rising above these cliffs, as they approach Murloch bay, become covered with beds of red sandstone and chalk towards their summits, and some of the highest points exhibit caps of