Príspevok k datovaniu vzniku Rotundy sv. Juraja v Nitrianskej Blatnici

This article presents the outcome of chronometric research into pre-Romanesque masonry of the Rotunda of St. George in the Nitrianska Blatnica cadastral zone. The research was conducted by means of 14 C measurements of anthropogenic calcite in the primary mortar. The results prompt a specialist discus- sion and will also serve as groundwork for further chronometric research.