Flint does not occur naturally in this part of Ireland, which means that even a handful of flakes represents deliberate human activity, the bringing of material from elsewhere and the working of it by hand. The leaf-shaped arrowhead in particular is a telling detail. This form, broad in the middle and tapering to a point at each end, is associated with the Neolithic period, roughly the fourth and third millennia BC, when farming communities were establishing themselves across Ireland and stone tool-making reached a considerable degree of refinement.

The find came to light through agricultural disturbance, the kind of slow, inadvertent excavation that ploughing performs across millennia of buried deposits. It was recorded by Professor P.C. Woodman, a leading authority on Irish prehistoric stone tools, whose personal communication preserved what might otherwise have gone unnoticed. Lithic scatters, as archaeologists call concentrations of worked stone, are among the most common and most overlooked categories of prehistoric evidence in Ireland. They rarely survive as visible monuments; instead they persist as faint signatures in the soil, legible mainly when the ground is broken open. What the Garryvoe scatter represents in terms of settlement, a temporary camp, a hunting stop, a field worked and abandoned, is impossible to say from so small a sample. But the presence of a finished, carefully shaped arrowhead suggests this was not simply a spot where someone knapped a rough tool in passing.