Description of the Soil-Geology of Ireland, 1907

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The granitic gneisses of Erris (north Mayo), of the Ox Mountains, Connemara, and South Donegal, which, on account of ''lithological similarity to those of the North-west of Scotland, were supposed to be of Archaean ...