Mine - copper, Derreennagusfoor, Co. Galway
Co. Galway |
Mining
In the townland of Derreennagusfoor, in County Galway, the ground holds traces of copper extraction, a reminder that the west of Ireland was once threaded with small-scale mining activity that has largely faded from public memory.
Copper mining in Ireland stretches back to the Bronze Age, when deposits along the western seaboard were worked with stone hammers, and continued in various forms through the medieval period and into the post-medieval era of industrial speculation. The presence of a recorded copper mine in a relatively obscure Galway townland fits a broader pattern of nineteenth-century prospecting, when improved geological surveying and rising industrial demand prompted landowners and venture companies to test ground that had sometimes been worked, in a rougher fashion, for centuries before.
The specific history of this site, including when it was opened, by whom, and how extensively it was worked, is not currently available in the public record. What can be said is that copper deposits in Connacht were rarely the basis for large or sustained operations; many were trial workings that proved too shallow, too discontinuous, or too remote to be worth developing further. The landscape around such sites often bears quiet physical evidence of that activity, old shafts, spoil heaps, and collapsed adits, which is the term for a near-horizontal tunnel driven into a hillside to access ore, as distinct from a vertical shaft sunk from the surface. These features can be easy to miss, or easy to misread as natural disturbance, which is part of what makes their formal recording significant.