Yorgos Facorellis
Yorgos Facorellis works as Associate Professor in the Department of Conservation of Antiquities and Works of Art, School of Applied Arts and Culture, University of West Attica, Athens, on the field of "Chemical analysis and dating of archaeological materials". He studied Chemistry at the University of Thessaloniki (1982-1986), he continued his postgraduated studies (D.E.S.S.) at the Centre de Recherche Interdisciplinaire d'Archeologie Analytique (C.R.I.A.A.) on the subject "Méthodes Physiques en Archéologie et Museographie", University Bordeaux III (1988-1989) and then he obtained his Ph.D. in Physics. Specialisation in 14C dating technique, Department of Physics, University of Patras (1989-1996). Since 1989 2011 he has been member of the Board of the Hellenic Society of Archaeometry (president 1999-2006). He has been assistant researcher at the Laboratory of Archaeometry, Institute of Materials Science, N.C.S.R. “Demokritos” (1995-2004) and assistant Professor at the Department of History - Archaeology - Social Anthropology of the School of Human Sciences, University of Thessaly at Volos (2000-2011) and the Department of History and Archaeology of the School of Philosophy, University of Crete at Rethymnon (2004-2005 and 2010). His areas of specialization are the radiocarbon dating and materials characterization with various physicochemical techniques.
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site of Vryokastro on Kythnos island, Greece, in order to investigate the raw materials that were used for their production and the consequent
microstructural and performance characteristics of the mortars. Understanding these characteristics is vital for safeguarding the site’s heritage and
guiding conservation strategies. Powdered and freshly fractured samples as well as polished sections were studied to determine the chemical and
mineralogical composition of the mortars using various analytical techniques: Optical Microscopy (OM), Scanning Electron Microscopy with micro-
analyzer (SEM/EDS) and X-ray diffraction (XRD). Furthermore, grain size analysis, Differential Thermal Analysis (TG/DTA), Fourier Transform
Infrared Spectroscopy (FTIR) and Mercury Intrusion Porosimetry (MIP) were also conducted. The results of the analyses indicate that the samples
from Vryokastro site contain both air-hardening and hydraulic mortars, containing well-graded natural aggregates.
Acts of an International Symposium in honour of Professor Jan Bouzek
Volos 18-21 June 2015
EDITED BY
ALEXANDER MAZARAKIS AINIAN ALEXANDRA ALEXANDRIDOU & XENIA CHARALAMBIDOU
VOLOS 2017
© Πανεπιστηµιακές Εκδόσεις Θεσσαλίας / University of Thessaly Press ISBN: 978-960-9439-42-8
Chapter published in BAR S2780 Proceedings of the 6th Symposium of the Hellenic Society for Archaeometry,
Edited by E. Photos-Jones in collaboration with Y. Bassiakos, E. Filippaki, A. Hein, I. Karatasios, V. Kilikoglou and E. Kouloumpi.
British Archaeological Reports Ltd; 9781407314303; 2016. Order Online: www.barpublishing.com
Chapter published in BAR S2780 Proceedings of the 6th Symposium of the Hellenic Society for Archaeometry,
Edited by E. Photos-Jones in collaboration with Y. Bassiakos, E. Filippaki, A. Hein, I. Karatasios, V. Kilikoglou and E. Kouloumpi.
British Archaeological Reports Ltd; 9781407314303; 2016. Order Online: www.barpublishing.com)
site of Vryokastro on Kythnos island, Greece, in order to investigate the raw materials that were used for their production and the consequent
microstructural and performance characteristics of the mortars. Understanding these characteristics is vital for safeguarding the site’s heritage and
guiding conservation strategies. Powdered and freshly fractured samples as well as polished sections were studied to determine the chemical and
mineralogical composition of the mortars using various analytical techniques: Optical Microscopy (OM), Scanning Electron Microscopy with micro-
analyzer (SEM/EDS) and X-ray diffraction (XRD). Furthermore, grain size analysis, Differential Thermal Analysis (TG/DTA), Fourier Transform
Infrared Spectroscopy (FTIR) and Mercury Intrusion Porosimetry (MIP) were also conducted. The results of the analyses indicate that the samples
from Vryokastro site contain both air-hardening and hydraulic mortars, containing well-graded natural aggregates.
Acts of an International Symposium in honour of Professor Jan Bouzek
Volos 18-21 June 2015
EDITED BY
ALEXANDER MAZARAKIS AINIAN ALEXANDRA ALEXANDRIDOU & XENIA CHARALAMBIDOU
VOLOS 2017
© Πανεπιστηµιακές Εκδόσεις Θεσσαλίας / University of Thessaly Press ISBN: 978-960-9439-42-8
Chapter published in BAR S2780 Proceedings of the 6th Symposium of the Hellenic Society for Archaeometry,
Edited by E. Photos-Jones in collaboration with Y. Bassiakos, E. Filippaki, A. Hein, I. Karatasios, V. Kilikoglou and E. Kouloumpi.
British Archaeological Reports Ltd; 9781407314303; 2016. Order Online: www.barpublishing.com
Chapter published in BAR S2780 Proceedings of the 6th Symposium of the Hellenic Society for Archaeometry,
Edited by E. Photos-Jones in collaboration with Y. Bassiakos, E. Filippaki, A. Hein, I. Karatasios, V. Kilikoglou and E. Kouloumpi.
British Archaeological Reports Ltd; 9781407314303; 2016. Order Online: www.barpublishing.com)
During the excavation at the Sarakenos Cave, a considerable number of prehistoric finds were revealed, including lithic and bone implements, ceramics, figurines, hearths, human skeletons and animal bones, miscellaneous ornaments and 10.918 beads (Davri 2023).
The majority of the beads belongs to the LN period, and rarely to the MN (5800-5300 BC), the EN (6700-5.800 BC) and the Bronze Age (3300-1200 BC). The highest concentration has been discovered at the LN I (5300-4300 BC) stratum of Trench F (Figs. 1 and 2), and sporadically at the other trenches (A, B, C, D, G and H) (Diagram 1).
such as great attention to embalming practices and remains of gold leaf on the face and feet of both child mummies point towards the assumption that they belonged to the upper class (Karamanou
et al., 2017). The problematic preservation state and questions on the
embalming materials and procedures led to a series of analyses on a variety of samples from both mummies (Karamanou et al., 2017). This paper focuses on the Optical Microscopy (OM) and Scanning Electron Microscopy / Energy Dispersive Spectroscopy (SEM/EDS) observation and analysis performed on hair samples of the largest in size of the children’s mummies. DNA analysis on the hairs and species level
fungal characterization were also performed.
stone to date has shown that the site participated in a wide network of exchange and circulation of materials, information, and ideas. More than half of the assemblage (58 percent) is made of obsidian, most (if not all) of which has all the visual characteristics of coming from the Cycladic island of Melos. The rest of the material consists of different kinds of flint coming from various distant localities: from the Pindus Mountains to Albania and Bulgaria, and even further to the north.
The analysis of pottery, on the other hand, attests to a more localized pattern of circulation and exchange. Painted pottery in particular gives the impression of a local production, with affinities to Achilleion, but also
to pottery from Tzani Magoula, Pazaraki, and areas belonging to the so-called West Thessalian group. In pottery terms, Koutroulou Magoula seemed to have interacted more with the Thessalian tradition, and not
with that of southern central Greece. An exception here is the few drinking vessels that show decoration patterns pointing to other “cultural” traditions (e.g. geometric patterns from southern central Greece). This macroscopic picture seems to be confirmed by petrographic analysis of both pottery vessels and figurines.
ISBN: 978-1-7857-7210-9