
A thick layer of crumbly white mortar, consisting mainly of quicklime granules, formed the basis for an elevation made of coarsely carved limestone The foundations were built mostly of river stone mixed with occasional fragments of limestone blocks and bricks salvaged from the nearby Roman ruins, all of them held together with clay or/and with mortar. The ensuing four months long archaeological investigation uncovered a church with a ground plan in the shape of a Greek cross, consisting of a semi-circular apse and a rectangular nave with a central square demarcated with four pillars. The ruins of the church were unexpectedly uncovered during the structural works, in the spring of 2011. The following text briefly relates the circumstances of its discovery, its archaeological context, its place in the history of architecture and the historical The subject of this study is the ruined church uncovered in the year 2011 in the south-western corner of the Alba Iulia medieval fortress, in front of the St.
