Fortificaţia de la Ungra. Cercetări magnetometrice recente
The fortification of Ungra. Recent geophysical surveys

Summary/Abstract: The fortification of Ungra is one of the points of interest for the archaeology of the first centuries AD in Brașov County. The archaeological site is located at the intersection of two communication routes, the Homoroade Valley and the Gorge of the Olt River through the Perșani Mountains. The fortification was initially studied by surface prospecting, followed by geophysical research and then by archaeological excavations, the site being considered a Roman military fort. Our geomagnetic surveys of the fortification were carried out as part of our interdisciplinary research. On this occasion about 6.4 Ha of land were surveyed, using a system composed of 5 fluxgate FGM650 gradiometers. The image obtained as a result differs from the results of the previous surveys and allows more conclusions about the dimensions and layout of the fortification system of Ungra. As a main conclusion, traces of a rectangular fortification with external dimensions of about 105x125 m were identified. On the outside, at about 12-14 m from the presumed enclosure wall, the magnetic traces of a defense ditch could be documented. It can be estimated that the fortification had four entrance gates, of which the western one is the most clearly distinguishable. The details of the interior of the fortification cannot be clearly delineated. The results obtained contribute to a better understanding of the role and purpose of this fortification, located only 5 km to the north of the Roman fort of Hoghiz.

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