Crop marks form when buried features affect how plants above them grow, with ditches or filled pits often producing lusher, darker growth that becomes visible from above. This particular mark drew attention because it closely resembles a known Linkardstown Burial located just 290 metres to the south. Linkardstown burials are a specific type of Irish Neolithic funerary monument, typically consisting of a large polygonal cist, a box-like stone-lined grave, set within a mound and associated with single inhumations dating to roughly 3500 BCE.

The crop mark may not be an isolated discovery. Local information passed on by Robert Hanbidge indicated that during land reclamation works carried out in this field around two years before the image was taken, several cists were uncovered and went unrecorded. A cist is a small stone-lined burial chamber, usually constructed from flat slabs, and was widely used in prehistoric Ireland for individual interments. The reclamation works appear to have disturbed what may be a cluster of such burials, with the crop mark visible on the 2020 orthoimage potentially representing one that was not physically excavated or documented at the time. The proximity to the confirmed Linkardstown monument to the south adds weight to the possibility that this field sits within a wider prehistoric funerary landscape.