Characterization of Wall Painting Fragments from the West Courtyard Passage at St. Nicholas Church in Demre (original) (raw)
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Byzantine wall paintings from Mani (Greece): microanalytical investigation of pigments and plasters
Analytical and Bioanalytical …, 2009
The present case study concerns the technology of Byzantine wall paintings from the Mani Peninsula, Greece. An assemblage of 12 Byzantine churches, constructed in the tenth to fifteenth century, was included in an initial analytical survey. Two random samples of wall paintings were taken in each monument in order to study their micro stratigraphy and the composition of pigment and plaster layers. Polished sections were fabricated for examination with optical microscopy and scanning electron microscopy (SEM). Furthermore, selected samples were powdered and analysed with Fourier-transformed infrared spectroscopy (FTIR) and X-ray diffraction (XRD). The analytical results achieved in this case study provided general conclusions concerning painting techniques for wall paintings in a rather provincial area of the Byzantine Empire. The palette comprised mainly earthen pigments like ochres and carbon black but occasionally also other pigments like cinnabar, minium and ultramarine. In view of future studies, a portable X-ray fluorescence analysis (XRF) set-up was tested. Figure Section of an ultramarine paint layer from the Church Aghios Philippos
Spectroscopic Investigation Leading to the Documentation of Three Post-Byzantine Wall Paintings
Applied Spectroscopy, 2016
The main churches of three monasteries in Thessalia, Central Greece, were decorated with wall paintings in the post-Byzantine period. The main goal of the present study is to characterize the inorganic and organic materials present in the paint layers of areas that have been gilded. Optical microscopic examination was carried out on samples taken from the gilded decoration of the paintings to view their layer build-up. The combined use of micro Fourier transform infrared (FT-IR) and micro-Raman spectroscopy led to the detection of the pigments and the binding media used. The results from specimens taken from different wall paintings were compared with each other to observe their differences and similarities. The three investigated churches are believed to have been painted by the same iconographer, Tzortzis, who however has only been identified in only one of them. The comparison led to the conclusion that there are many similarities in the painting materials used and the general me...
Two groups of Late Roman wall painting fragments (2nd-4th cent. A.D.), from Sinop Balatlar Church Complex in northern Anatolia, were analyzed in order to reveal their material characteristics, painting stratigraphy and the pigments used by optical microscopy, XRD, μ-XRF, Raman spectrometry and SEM-EDX. Two types of arriccio plasters were identified. The painting stratigraphy is variable among the two wall painting groups. The pigment palette of the wall paintings is similar to those of the other Roman wall paintings analyzed elsewhere, including calcite, yellow and red ochre, goethite, cinnabar, dolomite, green earth and carbon black. The results of this study contribute to our present knowledge about the characteristics of the wall painting materials during the Late Roman period in the context of the Black Sea region.
The goal of this study was to characterize pigments used in the murals of two Byzantine churches, from Kastoria, northern Greece. The identification of the iconographer was also investigated by comparing the pigments applied in the wall paintings of the churches. Pigment microsamples of various colors were collected and analyzed by environmental scanning electron microscopy coupled with an energy dispersive system to characterize the elemental composition. Raman spectroscopy was employed to collect molecular spectra for characterization of mineralogical phases. Hematite, cinnabar, and minium were identified in red surfaces. Brown and yellow colors were assigned to mixtures of iron oxides, iron hydroxides, and calcite. Mixtures of iron, lead, and mercury compounds were used to produce different hues in the murals. Black tones were prepared primarily using charcoal and bone black. Grey colors were produced by a mixture of black carbon with calcite; blue hues, by a mixture of iron oxides, calcite, and black carbon. The minerals used were similar for both churches. However, the green color was prepared either by green earth or mixtures of iron oxides and calcite. A modern pigment, lithopone, was also determined, demonstrating restoration or overpainting and thus complicating possible correlations. Based on these preliminary results, the wall paintings could not be ascribed to a specific iconographer.
Spectroscopic analysis of XIV century wall paintings from Patriarchate of Peć Monastery, Serbia
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2018
The Church of the Holy Mother of God Hodegetria in Peć is decorated with wall paintings that date from the beginning of the 14th century. In terms of style they correspond to Byzantine wall paintings from the epoch of Paleologos. The painting technique and pigment pallete has been examined on micro fragments in thin crosssections by means of optical microscopy (OM), scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS) and micro-Raman spectroscopy. Use of the fresco technique and two supporting plaster layers was noted on the majority of samples, while in large blue painted areas, a combination of fresco and secco techniques was used. The SEM-EDS results showed the presence of Ca as the main component of plaster besides the traces of Si and Mg. In some samples egg white as a binder was identified. The paint film is often multilayered. Twelve pigments were identified, mainly natural earth pigments such as red ochre, yellow ochre and green earth. A mixture of pigments was used for attaining desirable optical and aesthetical impressions. As decay product only weddelite was detected in many preparatory and painted samples.
A comparative study of pigments from the wall paintings of two Greek byzantine churches
The goal of this study was to characterize pigments used in the murals of two Byzantine churches, from Kastoria, northern Greece. The identification of the iconographer was also investigated by comparing the pigments applied in the wall paintings of the churches. Pigment microsamples of various colors were collected and analyzed by environmental scanning electron microscopy coupled with an energy dispersive system to characterize the elemental composition. Raman spectroscopy was employed to collect molecular spectra for characterization of mineralogical phases. Hematite, cinnabar, and minium were identified in red surfaces. Brown and yellow colors were assigned to mixtures of iron oxides, iron hydroxides, and calcite. Mixtures of iron, lead, and mercury compounds were used to produce different hues in the murals. Black tones were prepared primarily using charcoal and bone black. Grey colors were produced by a mixture of black carbon with calcite; blue hues, by a mixture of iron oxides, calcite, and black carbon. The minerals used were similar for both churches. However, the green color was prepared either by green earth or mixtures of iron oxides and calcite. A modern pigment, lithopone, was also determined, demonstrating restoration or overpainting and thus complicating possible correlations. Based on these preliminary results, the wall paintings could not be ascribed to a specific iconographer.
The goal of this study was to characterize pigments used in the murals of two Byzantine churches, from Kastoria, northern Greece. The identification of the iconographer was also investigated by comparing the pigments applied in the wall paintings of the churches. Pigment microsamples of various colors were collected and analyzed by environmental scanning electron microscopy coupled with an energy dispersive system to characterize the elemental composition. Raman spectroscopy was employed to collect molecular spectra for characterization of mineralogical phases. Hematite, cinnabar, and minium were identified in red surfaces. Brown and yellow colors were assigned to mixtures of iron oxides, iron hydroxides, and calcite. Mixtures of iron, lead, and mercury compounds were used to produce different hues in the murals. Black tones were prepared primarily using charcoal and bone black. Grey colors were produced by a mixture of black carbon with calcite; blue hues, by a mixture of iron oxides, calcite, and black carbon. The minerals used were similar for both churches. However, the green color was prepared either by green earth or mixtures of iron oxides and calcite. A modern pigment, lithopone, was also determined, demonstrating restoration or overpainting and thus complicating possible correlations. Based on these preliminary results, the wall paintings could not be ascribed to a specific iconographer.
Archaeometry, 2015
This paper presents the results of analyses carried out on the paintings on the rock-hewn walls of the Forty Martyrs church at Şahinefendi in Cappadocia (a UNESCO World Heritage Site), a central region of Turkey, performed during conservation work from 2007 to 2012. The micro-samples were investigated by spectroscopic, micro-stratigraphic and scanning electron microscopy analysis in order to study the painting technique, the materials and the degradation products. The micro-stratigraphic analysis showed a white, sometimes pinkish, plaster. Micro-Raman analysis, performed on cross-sections of the mortars, enabled the detection of calcite, gypsum, anhydrite and calcium oxalate. Scanning electron microscopy and energy-dispersive spectroscopy revealed a similar composition among all investigated phases, aside from minor differences such as the presence of diatoms in the second and third phases and of biotite, lime lumps and plants fragments in the fourth one. Apart from traditional pigments of medieval wall paintings, micro-Raman analysis revealed the presence of lead-based compounds and jarosite.
An Archaeometric Investigation on the Pigments Used in the Wall Paintings of Post-Byzantine (XIX. century) Churches in Cappadocia, 2023
Cappadocia region, rock churches, monasteries, houses, underground settlements, valleys and historical and geological formations have unique beauty. The region, which is rich with its cultural assets belongs to Christian culture in Anatolia, is generally known with its rock churches, and is a subject to researches. The purpose of this study is; to understand the wall painting technology of the 19th century church, and to make a comparison with the wall painting materials of the rock churches. The study material is composed of pigments in the wall paintings of the Church of St. Theodoros Trion, which is from the 19th century, and located in Nevşehir. Scanning Electron Microscope and Energy Dispersive Spectrometer (SEM-EDX), X-Ray Diffraction Spectrometry (XRD) and Fourier Transformed Infrared Spectrophotometer (FTIR) are used to determine material characterization of pigments. X-Ray Fluorescence Spectrometer (XRF) analysis method was used in the analysis of the soil structure. As a result of analysis of the wall painting, it has been found that the ultramarine pigment is obtained from the lapis lazuli mineral and the covellite mineral of the covellite blue. In red, the red ochre and the caput mortuum pigment in purple color has been found. In the mineral of different pigment species, bauxite mineral belongs to the region have been detected. Green color, it has been determined that it is obtained from the glauconite and celadonite mineral in the region. According to the research carried out in the region in green color, it has been detected that only this pigment species has been used from the 6th century to the 19th century.
This paper presents the results of the analysis on the rock hewn wall paintings of eleven churches in Cappadocia, Turkey. A large group of churches in the region of Nevşehir were analysed in order to increase the database of materials and techniques of medieval wall paintings in Asia Minor and to support the restoration, conservation and valorisation project of the Forty Martyrs Church in Şahinefendi, and of the New Tokalı church in the Göreme Open Air Museum. The research concerns a group of churches dating back to a period between the sixth and ninth century. The New Tokalı church shows pictorial evidence of 10th-Century and some 13th-Century churches. Micro samples were examined by means of polarized microscopy, Fouriertransform infrared spectrometry and micro-Raman spectroscopy. The study of wall painting materials puts in evidence changes in pigments and plaster typology. In the older churches painting was applied using the secco technique over a thin gypsum layer directly spre...