Note 361 — Chapter XIX · VOLCANOES OF THE LOWER OLD RED SANDSTONE OF "LAKE CALEDONIA"
Reading edition
This area of Old Red Sandstone is represented on Sheets 33, 34, 45 and 46 of the Geological Survey of Ireland, and the igneous rocks are described in the Memoirs on Sheets 33 (1886, p. 17) by Mr. J. R. Kilroe, and 34 (1878, p. 16) by Mr. J. Nolan.