There is nothing to see, no earthwork, no rise in the soil, no trace of a boundary. The enclosure exists, for practical purposes, only as a shadow, a cropmark revealed when aerial photography catches the differential growth of crops above buried archaeological features.

Cropmarks form when buried ditches or banks affect the vegetation directly above them. Soil that has slumped back into a filled ditch retains more moisture than the surrounding ground, and in dry summers the crops rooted there grow taller and stay greener longer, tracing the outline of the original feature from above. It was precisely this effect that gave the Minorstown enclosure away, first on an aerial photograph taken in 1977 and again on a second pass in 1996, both occasions confirming the same roughly circular outline pressed into the tillage. The site sits in gently undulating terrain, and the gradual northward slope of the field is the kind of setting commonly associated with enclosed farmsteads or ringforts of early medieval date, though no specific dating has been established for this particular feature. What makes the location more compelling still is that three further conjoined enclosures were identified from aerial photographs immediately to the south-west and south-south-west of the main site, suggesting this was not a single isolated structure but part of a cluster of related enclosures whose purposes and relationships to one another remain unresolved.