DBPapers
DOI: 10.5593/SGEM2015/B11/S1.057

STONE MATERIAL AND CONSTRUCTION STUDIES OF NURAGHES IN SARDINIA

V. Seglins, A. Kukela
Tuesday 4 August 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-31-5 / ISSN 1314-2704, June 18-24, 2015, Book1 Vol. 1, 451-456 pp

ABSTRACT
The nuraghes, large stone structures in Sardinia, are the important evidence of ancient culture. There were more than 8000 nuraghes located on the island, yet only 1500 were discovered. It makes the whole Sardinia an outstanding Neolithic and Bronze Age archaeological open-air exhibition and museum of cultural heritage. Up to now almost all these monuments were related to Bronze Age buildings and most often interpreted as fortification structures. The studies carried out in 2014 and 2015 denote that the initial choice of the location for these monuments and their placement on site do not confirm with this hypothesis. The analysis of the building material reveals at least 3 or 4 very different construction stages that modify previous structures in order to suite other purposes of use. Taking into consideration only final stage of construction of several structures, leads to erroneous conclusions and generalized interpretation of these buildings as fortification structures. As the main important indicator to identify different construction stages should be the building stone – its quality, shape and surface processing, deterioration degree, quality of the mortar applied, placement of the construction blocks and thickness of the walls. The application of these indicators allows us to develop several evolutionary models of nuraghes structures and visualize them digitally in the future. At the current stage of our study these complex buildings most probably should be regarded as sacral structures, that later were reconstructed into storehouses and only in the final stage rebuild to serve as fortification and inhabitants’ information structures.

Keywords: Stone monument, photo documentation, indicators of building stages, construction models

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