Enclosure, Cloonanna, Co. Limerick
Co. Limerick |
Enclosures
There is a field in Cloonanna, County Limerick, that does not look like much from the ground, and that is rather the point.
Set on a gentle west-facing slope with long views towards the west and northwest, the pasture here holds no visible earthworks, no stones, no obvious trace of anything out of the ordinary. Yet overhead, at least at one moment in time, the grass told a different story. A Google Earth orthoimage captured in 2004 showed a circular crop mark forming in the vegetation, the kind of faint geometric signature that often signals something buried just below the surface. By 2020, even that ghost had faded from the satellite record.
Crop marks form when buried features, whether ditches, walls, or pits, affect how plants above them grow, with deeper soil over a filled ditch producing lusher, greener growth, and compacted surfaces doing the opposite. The trouble with this particular mark is that nobody is quite certain what caused it. The Ordnance Survey maps offer two different impressions across different editions: the 1840 OS map shows the area as a sub-rectangular field, while the later 25-inch OS map depicts a small polygonal shaped field, roughly 30 metres north to south by 30 metres east to west. No antiquity was recorded at this location on either survey. The working theory, compiled by Martin Fitzpatrick and uploaded to the record in June 2020, is that the enclosure may simply be a post-1700 paddock connected to farm buildings that once stood to the north, rather than anything of prehistoric or early medieval origin.
For anyone inclined to visit, the site sits in ordinary farmland and, as the notes make clear, there is nothing visible at ground level. The interest here is almost entirely archival and aerial. The 2004 satellite image remains the key piece of evidence, and comparing it against the 2019 and 2020 imagery, which show no comparable mark, illustrates how fleeting such crop signatures can be, dependent on the right combination of dry weather, grass species, and timing. The slope itself offers genuinely open views to the west and northwest, which may well have made it a useful location for any number of purposes across the centuries, though what exactly those purposes were remains, for now, unresolved.
