Isotopic Geochemistry Applied on Mortars of the Katholikon of the Monastery of Timios Prodromos in the Prefecture of Serres, Greece

World Multidisciplinary Earth Sciences Symposium 2017

Dotsika, Elissavet^1 ; Iliadis, Efstathios^1 ; Kyropoulou, Daphne^1 ; Karalis, Petros^1

Institute of Nanoscience and Nanotechnology (INN), National Centre for Scientific Research Demokritos, 153 10, Agia Paraskevi, Attiki, Greece^1

关键词: Byzantine monuments;    Corrosion mechanisms;    Isotopic geochemistry;    Mural paintings;    Non destructive;    Northern Greece;    Painted surfaces;    Stable isotopes;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/95/3/032031/pdf
DOI  :  10.1088/1755-1315/95/3/032031

来源: IOP

【 摘 要 】

The Monastery of Timios Prodromos is the most important Byzantine monument in the prefecture of Serres and one of the most important monastic foundations of Byzantine times in Northern Greece. It was founded in the late 13th century from Ioannikios and then renovated by his nephew, Joachim. The catholic dates back to the 14th century, and specifically between 1300-1333, under the rule of the second founder Joachim. Considering the pathology of Byzantine mural, for the most effective work on removal of over-paintings layer, fixing, restoration, recovery and maintenance of the painted surface and the substrate, it was decided the sampling from exact points of the mural painting representing the different phases, in order to determine their composition, the technology of construction materials, corrosion mechanisms and the proposal for restoration methodology. The methods to be used require very small quantities of material. The measurements are considered almost non-destructive and based on isotopic geochemistry. The techniques used are X-ray diffraction (XRD), scanning electron microscopy (SEM / EDXA) and isotopic analyzes (d18O and d13C) in a mass spectrometer (IRMS). The study of the samples was carried out by scanning electron microscopy with X-ray microanalyser and analysis of stable isotopes. The study shows that apart from the calcite present in all pigment samples, straw was used as a binder. There is also a mixing of dyes to produce the desired tint while in many cases there are different colour layers. The decay in the mural is extensive, especially in the lower layers of the wall, which have been severely affected by humidity and candle smoke. The creation of gypsum on the surface of the murals is intense and evident in most of the spectra taken.